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Finding the Third Proportional to 15,882 and 25,187

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Solution

The third proportional to 15,882 and 25,187 is: 39,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882 : 25,187 = 25,187 : x
  2. Step 2: Convert to fraction form
    15,882/25,187 = 25,187/x
  3. Step 3: Cross multiply
    15,882x = 25,187 × 25,187
  4. Step 4: Simplify right side
    15,882x = 634,384,969
  5. Step 5: Solve for x
    x = 634,384,969/15,882
  6. Step 6: Final answer
    x = 39,943.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.