Home / 77,427-109,029

Finding the Third Proportional to 77,427 and 109,029

Calculator

Solution

The third proportional to 77,427 and 109,029 is: 153,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427 : 109,029 = 109,029 : x
  2. Step 2: Convert to fraction form
    77,427/109,029 = 109,029/x
  3. Step 3: Cross multiply
    77,427x = 109,029 × 109,029
  4. Step 4: Simplify right side
    77,427x = 11,887,322,841
  5. Step 5: Solve for x
    x = 11,887,322,841/77,427
  6. Step 6: Final answer
    x = 153,529.43

Related Problems

Find third proportional to 38,713.50 and 54,514.50
Half scale
Find third proportional to 154,854 and 218,058
Double scale
Find third proportional to 77,429 and 109,032
Similar ratio
Find third proportional to 116,140.50 and 163,543.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.