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Finding the Third Proportional to 61,238 and 132,318

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Solution

The third proportional to 61,238 and 132,318 is: 285,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238 : 132,318 = 132,318 : x
  2. Step 2: Convert to fraction form
    61,238/132,318 = 132,318/x
  3. Step 3: Cross multiply
    61,238x = 132,318 × 132,318
  4. Step 4: Simplify right side
    61,238x = 17,508,053,124
  5. Step 5: Solve for x
    x = 17,508,053,124/61,238
  6. Step 6: Final answer
    x = 285,901.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.