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Finding the Third Proportional to 60,288 and 131,298

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Solution

The third proportional to 60,288 and 131,298 is: 285,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,288 : 131,298 = 131,298 : x
  2. Step 2: Convert to fraction form
    60,288/131,298 = 131,298/x
  3. Step 3: Cross multiply
    60,288x = 131,298 × 131,298
  4. Step 4: Simplify right side
    60,288x = 17,239,164,804
  5. Step 5: Solve for x
    x = 17,239,164,804/60,288
  6. Step 6: Final answer
    x = 285,946.87

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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.