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Finding the Third Proportional to 28,747.13 and 61,864.13

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Solution

The third proportional to 28,747.13 and 61,864.13 is: 133,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.13 : 61,864.13 = 61,864.13 : x
  2. Step 2: Convert to fraction form
    28,747.13/61,864.13 = 61,864.13/x
  3. Step 3: Cross multiply
    28,747.13x = 61,864.13 × 61,864.13
  4. Step 4: Simplify right side
    28,747.13x = 3,827,169,962.02
  5. Step 5: Solve for x
    x = 3,827,169,962.02/28,747.13
  6. Step 6: Final answer
    x = 133,132.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.