Home / 63,620-135,448

Finding the Third Proportional to 63,620 and 135,448

Calculator

Solution

The third proportional to 63,620 and 135,448 is: 288,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620 : 135,448 = 135,448 : x
  2. Step 2: Convert to fraction form
    63,620/135,448 = 135,448/x
  3. Step 3: Cross multiply
    63,620x = 135,448 × 135,448
  4. Step 4: Simplify right side
    63,620x = 18,346,160,704
  5. Step 5: Solve for x
    x = 18,346,160,704/63,620
  6. Step 6: Final answer
    x = 288,370.96

Related Problems

Find third proportional to 31,810 and 67,724
Half scale
Find third proportional to 127,240 and 270,896
Double scale
Find third proportional to 63,622 and 135,452
Similar ratio
Find third proportional to 95,430 and 203,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.