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Finding the Third Proportional to 13,372 and 19,651

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Solution

The third proportional to 13,372 and 19,651 is: 28,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372 : 19,651 = 19,651 : x
  2. Step 2: Convert to fraction form
    13,372/19,651 = 19,651/x
  3. Step 3: Cross multiply
    13,372x = 19,651 × 19,651
  4. Step 4: Simplify right side
    13,372x = 386,161,801
  5. Step 5: Solve for x
    x = 386,161,801/13,372
  6. Step 6: Final answer
    x = 28,878.39

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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.