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Finding the Third Proportional to 28,721.25 and 41,988.38

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Solution

The third proportional to 28,721.25 and 41,988.38 is: 61,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,721.25 : 41,988.38 = 41,988.38 : x
  2. Step 2: Convert to fraction form
    28,721.25/41,988.38 = 41,988.38/x
  3. Step 3: Cross multiply
    28,721.25x = 41,988.38 × 41,988.38
  4. Step 4: Simplify right side
    28,721.25x = 1,763,023,635.14
  5. Step 5: Solve for x
    x = 1,763,023,635.14/28,721.25
  6. Step 6: Final answer
    x = 61,383.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.