Home / 380,712,670-513,670,782

Finding the Third Proportional to 380,712,670 and 513,670,782

Calculator

Solution

The third proportional to 380,712,670 and 513,670,782 is: 693,062,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,670 : 513,670,782 = 513,670,782 : x
  2. Step 2: Convert to fraction form
    380,712,670/513,670,782 = 513,670,782/x
  3. Step 3: Cross multiply
    380,712,670x = 513,670,782 × 513,670,782
  4. Step 4: Simplify right side
    380,712,670x = 263,857,672,280,491,520
  5. Step 5: Solve for x
    x = 263,857,672,280,491,520/380,712,670
  6. Step 6: Final answer
    x = 693,062,493.25

Related Problems

Find third proportional to 190,356,335 and 256,835,391
Half scale
Find third proportional to 761,425,340 and 1,027,341,564
Double scale
Find third proportional to 380,712,672 and 513,670,785
Similar ratio
Find third proportional to 571,069,005 and 770,506,173
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.