Home / 72,539-153,787

Finding the Third Proportional to 72,539 and 153,787

Calculator

Solution

The third proportional to 72,539 and 153,787 is: 326,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539 : 153,787 = 153,787 : x
  2. Step 2: Convert to fraction form
    72,539/153,787 = 153,787/x
  3. Step 3: Cross multiply
    72,539x = 153,787 × 153,787
  4. Step 4: Simplify right side
    72,539x = 23,650,441,369
  5. Step 5: Solve for x
    x = 23,650,441,369/72,539
  6. Step 6: Final answer
    x = 326,037.60

Related Problems

Find third proportional to 36,269.50 and 76,893.50
Half scale
Find third proportional to 145,078 and 307,574
Double scale
Find third proportional to 72,541 and 153,791
Similar ratio
Find third proportional to 108,808.50 and 230,680.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.