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Finding the Third Proportional to 7,654.13 and 11,707.88

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Solution

The third proportional to 7,654.13 and 11,707.88 is: 17,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.13 : 11,707.88 = 11,707.88 : x
  2. Step 2: Convert to fraction form
    7,654.13/11,707.88 = 11,707.88/x
  3. Step 3: Cross multiply
    7,654.13x = 11,707.88 × 11,707.88
  4. Step 4: Simplify right side
    7,654.13x = 137,074,337.02
  5. Step 5: Solve for x
    x = 137,074,337.02/7,654.13
  6. Step 6: Final answer
    x = 17,908.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.