Home / 77,519.50-109,719.75

Finding the Third Proportional to 77,519.50 and 109,719.75

Calculator

Solution

The third proportional to 77,519.50 and 109,719.75 is: 155,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.50 : 109,719.75 = 109,719.75 : x
  2. Step 2: Convert to fraction form
    77,519.50/109,719.75 = 109,719.75/x
  3. Step 3: Cross multiply
    77,519.50x = 109,719.75 × 109,719.75
  4. Step 4: Simplify right side
    77,519.50x = 12,038,423,540.06
  5. Step 5: Solve for x
    x = 12,038,423,540.06/77,519.50
  6. Step 6: Final answer
    x = 155,295.42

Related Problems

Find third proportional to 38,759.75 and 54,859.88
Half scale
Find third proportional to 155,039 and 219,439.50
Double scale
Find third proportional to 77,522 and 109,723
Similar ratio
Find third proportional to 116,279.25 and 164,579.63
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.