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Finding the Third Proportional to 38,872.13 and 84,658.13

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Solution

The third proportional to 38,872.13 and 84,658.13 is: 184,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.13 : 84,658.13 = 84,658.13 : x
  2. Step 2: Convert to fraction form
    38,872.13/84,658.13 = 84,658.13/x
  3. Step 3: Cross multiply
    38,872.13x = 84,658.13 × 84,658.13
  4. Step 4: Simplify right side
    38,872.13x = 7,166,998,128.52
  5. Step 5: Solve for x
    x = 7,166,998,128.52/38,872.13
  6. Step 6: Final answer
    x = 184,373.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.