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Finding the Third Proportional to 13,518 and 27,359

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Solution

The third proportional to 13,518 and 27,359 is: 55,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518 : 27,359 = 27,359 : x
  2. Step 2: Convert to fraction form
    13,518/27,359 = 27,359/x
  3. Step 3: Cross multiply
    13,518x = 27,359 × 27,359
  4. Step 4: Simplify right side
    13,518x = 748,514,881
  5. Step 5: Solve for x
    x = 748,514,881/13,518
  6. Step 6: Final answer
    x = 55,371.72

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.