Home / 57,672-87,399

Finding the Third Proportional to 57,672 and 87,399

Calculator

Solution

The third proportional to 57,672 and 87,399 is: 132,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672 : 87,399 = 87,399 : x
  2. Step 2: Convert to fraction form
    57,672/87,399 = 87,399/x
  3. Step 3: Cross multiply
    57,672x = 87,399 × 87,399
  4. Step 4: Simplify right side
    57,672x = 7,638,585,201
  5. Step 5: Solve for x
    x = 7,638,585,201/57,672
  6. Step 6: Final answer
    x = 132,448.77

Related Problems

Find third proportional to 28,836 and 43,699.50
Half scale
Find third proportional to 115,344 and 174,798
Double scale
Find third proportional to 57,674 and 87,402
Similar ratio
Find third proportional to 86,508 and 131,098.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.