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Finding the Third Proportional to 71,340.75 and 168,712.88

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Solution

The third proportional to 71,340.75 and 168,712.88 is: 398,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,340.75 : 168,712.88 = 168,712.88 : x
  2. Step 2: Convert to fraction form
    71,340.75/168,712.88 = 168,712.88/x
  3. Step 3: Cross multiply
    71,340.75x = 168,712.88 × 168,712.88
  4. Step 4: Simplify right side
    71,340.75x = 28,464,034,190.77
  5. Step 5: Solve for x
    x = 28,464,034,190.77/71,340.75
  6. Step 6: Final answer
    x = 398,987.03

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.