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Finding the Third Proportional to 40,354.88 and 79,677

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Solution

The third proportional to 40,354.88 and 79,677 is: 157,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.88 : 79,677 = 79,677 : x
  2. Step 2: Convert to fraction form
    40,354.88/79,677 = 79,677/x
  3. Step 3: Cross multiply
    40,354.88x = 79,677 × 79,677
  4. Step 4: Simplify right side
    40,354.88x = 6,348,424,329
  5. Step 5: Solve for x
    x = 6,348,424,329/40,354.88
  6. Step 6: Final answer
    x = 157,314.93

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.