Home / 380,712,645-513,670,746.75

Finding the Third Proportional to 380,712,645 and 513,670,746.75

Calculator

Solution

The third proportional to 380,712,645 and 513,670,746.75 is: 693,062,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,645 : 513,670,746.75 = 513,670,746.75 : x
  2. Step 2: Convert to fraction form
    380,712,645/513,670,746.75 = 513,670,746.75/x
  3. Step 3: Cross multiply
    380,712,645x = 513,670,746.75 × 513,670,746.75
  4. Step 4: Simplify right side
    380,712,645x = 263,857,636,066,702,624
  5. Step 5: Solve for x
    x = 263,857,636,066,702,624/380,712,645
  6. Step 6: Final answer
    x = 693,062,443.64

Related Problems

Find third proportional to 190,356,322.50 and 256,835,373.38
Half scale
Find third proportional to 761,425,290 and 1,027,341,493.50
Double scale
Find third proportional to 380,712,647 and 513,670,749
Similar ratio
Find third proportional to 571,068,967.50 and 770,506,120.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.