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Finding the Third Proportional to 10,938 and 16,731

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Solution

The third proportional to 10,938 and 16,731 is: 25,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938 : 16,731 = 16,731 : x
  2. Step 2: Convert to fraction form
    10,938/16,731 = 16,731/x
  3. Step 3: Cross multiply
    10,938x = 16,731 × 16,731
  4. Step 4: Simplify right side
    10,938x = 279,926,361
  5. Step 5: Solve for x
    x = 279,926,361/10,938
  6. Step 6: Final answer
    x = 25,592.10

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.