Home / 77,794-120,691

Finding the Third Proportional to 77,794 and 120,691

Calculator

Solution

The third proportional to 77,794 and 120,691 is: 187,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794 : 120,691 = 120,691 : x
  2. Step 2: Convert to fraction form
    77,794/120,691 = 120,691/x
  3. Step 3: Cross multiply
    77,794x = 120,691 × 120,691
  4. Step 4: Simplify right side
    77,794x = 14,566,317,481
  5. Step 5: Solve for x
    x = 14,566,317,481/77,794
  6. Step 6: Final answer
    x = 187,242.17

Related Problems

Find third proportional to 38,897 and 60,345.50
Half scale
Find third proportional to 155,588 and 241,382
Double scale
Find third proportional to 77,796 and 120,694
Similar ratio
Find third proportional to 116,691 and 181,036.50
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.