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Finding the Third Proportional to 28,476 and 41,976

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Solution

The third proportional to 28,476 and 41,976 is: 61,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476 : 41,976 = 41,976 : x
  2. Step 2: Convert to fraction form
    28,476/41,976 = 41,976/x
  3. Step 3: Cross multiply
    28,476x = 41,976 × 41,976
  4. Step 4: Simplify right side
    28,476x = 1,761,984,576
  5. Step 5: Solve for x
    x = 1,761,984,576/28,476
  6. Step 6: Final answer
    x = 61,876.13

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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.