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Finding the Third Proportional to 14,774 and 21,675

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Solution

The third proportional to 14,774 and 21,675 is: 31,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774 : 21,675 = 21,675 : x
  2. Step 2: Convert to fraction form
    14,774/21,675 = 21,675/x
  3. Step 3: Cross multiply
    14,774x = 21,675 × 21,675
  4. Step 4: Simplify right side
    14,774x = 469,805,625
  5. Step 5: Solve for x
    x = 469,805,625/14,774
  6. Step 6: Final answer
    x = 31,799.49

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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.