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Finding the Third Proportional to 13,882 and 31,248

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Solution

The third proportional to 13,882 and 31,248 is: 70,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882 : 31,248 = 31,248 : x
  2. Step 2: Convert to fraction form
    13,882/31,248 = 31,248/x
  3. Step 3: Cross multiply
    13,882x = 31,248 × 31,248
  4. Step 4: Simplify right side
    13,882x = 976,437,504
  5. Step 5: Solve for x
    x = 976,437,504/13,882
  6. Step 6: Final answer
    x = 70,338.39

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.