Home / 316,851.75-659,913.75

Finding the Third Proportional to 316,851.75 and 659,913.75

Calculator

Solution

The third proportional to 316,851.75 and 659,913.75 is: 1,374,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,851.75 : 659,913.75 = 659,913.75 : x
  2. Step 2: Convert to fraction form
    316,851.75/659,913.75 = 659,913.75/x
  3. Step 3: Cross multiply
    316,851.75x = 659,913.75 × 659,913.75
  4. Step 4: Simplify right side
    316,851.75x = 435,486,157,439.06
  5. Step 5: Solve for x
    x = 435,486,157,439.06/316,851.75
  6. Step 6: Final answer
    x = 1,374,416.13

Related Problems

Find third proportional to 158,425.88 and 329,956.88
Half scale
Find third proportional to 633,703.50 and 1,319,827.50
Double scale
Find third proportional to 316,854 and 659,918
Similar ratio
Find third proportional to 475,277.63 and 989,870.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.