Home / 77,514-109,712

Finding the Third Proportional to 77,514 and 109,712

Calculator

Solution

The third proportional to 77,514 and 109,712 is: 155,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514 : 109,712 = 109,712 : x
  2. Step 2: Convert to fraction form
    77,514/109,712 = 109,712/x
  3. Step 3: Cross multiply
    77,514x = 109,712 × 109,712
  4. Step 4: Simplify right side
    77,514x = 12,036,722,944
  5. Step 5: Solve for x
    x = 12,036,722,944/77,514
  6. Step 6: Final answer
    x = 155,284.50

Related Problems

Find third proportional to 38,757 and 54,856
Half scale
Find third proportional to 155,028 and 219,424
Double scale
Find third proportional to 77,516 and 109,715
Similar ratio
Find third proportional to 116,271 and 164,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.