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Finding the Third Proportional to 87,944 and 136,332

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Solution

The third proportional to 87,944 and 136,332 is: 211,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944 : 136,332 = 136,332 : x
  2. Step 2: Convert to fraction form
    87,944/136,332 = 136,332/x
  3. Step 3: Cross multiply
    87,944x = 136,332 × 136,332
  4. Step 4: Simplify right side
    87,944x = 18,586,414,224
  5. Step 5: Solve for x
    x = 18,586,414,224/87,944
  6. Step 6: Final answer
    x = 211,343.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.