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Finding the Third Proportional to 96,280 and 144,840

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Solution

The third proportional to 96,280 and 144,840 is: 217,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,280 : 144,840 = 144,840 : x
  2. Step 2: Convert to fraction form
    96,280/144,840 = 144,840/x
  3. Step 3: Cross multiply
    96,280x = 144,840 × 144,840
  4. Step 4: Simplify right side
    96,280x = 20,978,625,600
  5. Step 5: Solve for x
    x = 20,978,625,600/96,280
  6. Step 6: Final answer
    x = 217,891.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.