Home / 61,524-87,980

Finding the Third Proportional to 61,524 and 87,980

Calculator

Solution

The third proportional to 61,524 and 87,980 is: 125,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524 : 87,980 = 87,980 : x
  2. Step 2: Convert to fraction form
    61,524/87,980 = 87,980/x
  3. Step 3: Cross multiply
    61,524x = 87,980 × 87,980
  4. Step 4: Simplify right side
    61,524x = 7,740,480,400
  5. Step 5: Solve for x
    x = 7,740,480,400/61,524
  6. Step 6: Final answer
    x = 125,812.37

Related Problems

Find third proportional to 30,762 and 43,990
Half scale
Find third proportional to 123,048 and 175,960
Double scale
Find third proportional to 61,526 and 87,983
Similar ratio
Find third proportional to 92,286 and 131,970
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.