Home / 63,818-135,708

Finding the Third Proportional to 63,818 and 135,708

Calculator

Solution

The third proportional to 63,818 and 135,708 is: 288,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,818 : 135,708 = 135,708 : x
  2. Step 2: Convert to fraction form
    63,818/135,708 = 135,708/x
  3. Step 3: Cross multiply
    63,818x = 135,708 × 135,708
  4. Step 4: Simplify right side
    63,818x = 18,416,661,264
  5. Step 5: Solve for x
    x = 18,416,661,264/63,818
  6. Step 6: Final answer
    x = 288,580.98

Related Problems

Find third proportional to 31,909 and 67,854
Half scale
Find third proportional to 127,636 and 271,416
Double scale
Find third proportional to 63,820 and 135,712
Similar ratio
Find third proportional to 95,727 and 203,562
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.