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Finding the Third Proportional to 16,872 and 25,214.25

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Solution

The third proportional to 16,872 and 25,214.25 is: 37,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872 : 25,214.25 = 25,214.25 : x
  2. Step 2: Convert to fraction form
    16,872/25,214.25 = 25,214.25/x
  3. Step 3: Cross multiply
    16,872x = 25,214.25 × 25,214.25
  4. Step 4: Simplify right side
    16,872x = 635,758,403.06
  5. Step 5: Solve for x
    x = 635,758,403.06/16,872
  6. Step 6: Final answer
    x = 37,681.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.