Home / 52,862-72,489

Finding the Third Proportional to 52,862 and 72,489

Calculator

Solution

The third proportional to 52,862 and 72,489 is: 99,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862 : 72,489 = 72,489 : x
  2. Step 2: Convert to fraction form
    52,862/72,489 = 72,489/x
  3. Step 3: Cross multiply
    52,862x = 72,489 × 72,489
  4. Step 4: Simplify right side
    52,862x = 5,254,655,121
  5. Step 5: Solve for x
    x = 5,254,655,121/52,862
  6. Step 6: Final answer
    x = 99,403.26

Related Problems

Find third proportional to 26,431 and 36,244.50
Half scale
Find third proportional to 105,724 and 144,978
Double scale
Find third proportional to 52,864 and 72,492
Similar ratio
Find third proportional to 79,293 and 108,733.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.