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Finding the Third Proportional to 28,374 and 41,776

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Solution

The third proportional to 28,374 and 41,776 is: 61,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374 : 41,776 = 41,776 : x
  2. Step 2: Convert to fraction form
    28,374/41,776 = 41,776/x
  3. Step 3: Cross multiply
    28,374x = 41,776 × 41,776
  4. Step 4: Simplify right side
    28,374x = 1,745,234,176
  5. Step 5: Solve for x
    x = 1,745,234,176/28,374
  6. Step 6: Final answer
    x = 61,508.22

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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.