Home / 79,278,081.75-115,465,672.13

Finding the Third Proportional to 79,278,081.75 and 115,465,672.13

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Solution

The third proportional to 79,278,081.75 and 115,465,672.13 is: 168,171,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,278,081.75 : 115,465,672.13 = 115,465,672.13 : x
  2. Step 2: Convert to fraction form
    79,278,081.75/115,465,672.13 = 115,465,672.13/x
  3. Step 3: Cross multiply
    79,278,081.75x = 115,465,672.13 × 115,465,672.13
  4. Step 4: Simplify right side
    79,278,081.75x = 13,332,321,439,278,002
  5. Step 5: Solve for x
    x = 13,332,321,439,278,002/79,278,081.75
  6. Step 6: Final answer
    x = 168,171,594.78

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.