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Finding the Third Proportional to 13,151 and 28,381

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Solution

The third proportional to 13,151 and 28,381 is: 61,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151 : 28,381 = 28,381 : x
  2. Step 2: Convert to fraction form
    13,151/28,381 = 28,381/x
  3. Step 3: Cross multiply
    13,151x = 28,381 × 28,381
  4. Step 4: Simplify right side
    13,151x = 805,481,161
  5. Step 5: Solve for x
    x = 805,481,161/13,151
  6. Step 6: Final answer
    x = 61,248.66

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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.