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Finding the Third Proportional to 138,486 and 226,113

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Solution

The third proportional to 138,486 and 226,113 is: 369,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,486 : 226,113 = 226,113 : x
  2. Step 2: Convert to fraction form
    138,486/226,113 = 226,113/x
  3. Step 3: Cross multiply
    138,486x = 226,113 × 226,113
  4. Step 4: Simplify right side
    138,486x = 51,127,088,769
  5. Step 5: Solve for x
    x = 51,127,088,769/138,486
  6. Step 6: Final answer
    x = 369,185.97

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.