Home / 87,520-191,080

Finding the Third Proportional to 87,520 and 191,080

Calculator

Solution

The third proportional to 87,520 and 191,080 is: 417,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,520 : 191,080 = 191,080 : x
  2. Step 2: Convert to fraction form
    87,520/191,080 = 191,080/x
  3. Step 3: Cross multiply
    87,520x = 191,080 × 191,080
  4. Step 4: Simplify right side
    87,520x = 36,511,566,400
  5. Step 5: Solve for x
    x = 36,511,566,400/87,520
  6. Step 6: Final answer
    x = 417,179.69

Related Problems

Find third proportional to 43,760 and 95,540
Half scale
Find third proportional to 175,040 and 382,160
Double scale
Find third proportional to 87,522 and 191,084
Similar ratio
Find third proportional to 131,280 and 286,620
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.