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Finding the Third Proportional to 7,154 and 15,238

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Solution

The third proportional to 7,154 and 15,238 is: 32,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154 : 15,238 = 15,238 : x
  2. Step 2: Convert to fraction form
    7,154/15,238 = 15,238/x
  3. Step 3: Cross multiply
    7,154x = 15,238 × 15,238
  4. Step 4: Simplify right side
    7,154x = 232,196,644
  5. Step 5: Solve for x
    x = 232,196,644/7,154
  6. Step 6: Final answer
    x = 32,456.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.