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Finding the Third Proportional to 8,938 and 11,514

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Solution

The third proportional to 8,938 and 11,514 is: 14,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938 : 11,514 = 11,514 : x
  2. Step 2: Convert to fraction form
    8,938/11,514 = 11,514/x
  3. Step 3: Cross multiply
    8,938x = 11,514 × 11,514
  4. Step 4: Simplify right side
    8,938x = 132,572,196
  5. Step 5: Solve for x
    x = 132,572,196/8,938
  6. Step 6: Final answer
    x = 14,832.42

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.