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Finding the Third Proportional to 10,743 and 15,127

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Solution

The third proportional to 10,743 and 15,127 is: 21,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743 : 15,127 = 15,127 : x
  2. Step 2: Convert to fraction form
    10,743/15,127 = 15,127/x
  3. Step 3: Cross multiply
    10,743x = 15,127 × 15,127
  4. Step 4: Simplify right side
    10,743x = 228,826,129
  5. Step 5: Solve for x
    x = 228,826,129/10,743
  6. Step 6: Final answer
    x = 21,300.02

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.