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Finding the Third Proportional to 39,001.50 and 79,851.13

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Solution

The third proportional to 39,001.50 and 79,851.13 is: 163,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.50 : 79,851.13 = 79,851.13 : x
  2. Step 2: Convert to fraction form
    39,001.50/79,851.13 = 79,851.13/x
  3. Step 3: Cross multiply
    39,001.50x = 79,851.13 × 79,851.13
  4. Step 4: Simplify right side
    39,001.50x = 6,376,202,787.60
  5. Step 5: Solve for x
    x = 6,376,202,787.60/39,001.50
  6. Step 6: Final answer
    x = 163,486.09

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.