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Finding the Third Proportional to 10,138 and 14,934

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Solution

The third proportional to 10,138 and 14,934 is: 21,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138 : 14,934 = 14,934 : x
  2. Step 2: Convert to fraction form
    10,138/14,934 = 14,934/x
  3. Step 3: Cross multiply
    10,138x = 14,934 × 14,934
  4. Step 4: Simplify right side
    10,138x = 223,024,356
  5. Step 5: Solve for x
    x = 223,024,356/10,138
  6. Step 6: Final answer
    x = 21,998.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.