Home / 77,580-120,060

Finding the Third Proportional to 77,580 and 120,060

Calculator

Solution

The third proportional to 77,580 and 120,060 is: 185,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580 : 120,060 = 120,060 : x
  2. Step 2: Convert to fraction form
    77,580/120,060 = 120,060/x
  3. Step 3: Cross multiply
    77,580x = 120,060 × 120,060
  4. Step 4: Simplify right side
    77,580x = 14,414,403,600
  5. Step 5: Solve for x
    x = 14,414,403,600/77,580
  6. Step 6: Final answer
    x = 185,800.51

Related Problems

Find third proportional to 38,790 and 60,030
Half scale
Find third proportional to 155,160 and 240,120
Double scale
Find third proportional to 77,582 and 120,063
Similar ratio
Find third proportional to 116,370 and 180,090
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.