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Finding the Third Proportional to 28,912.50 and 62,469

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Solution

The third proportional to 28,912.50 and 62,469 is: 134,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.50 : 62,469 = 62,469 : x
  2. Step 2: Convert to fraction form
    28,912.50/62,469 = 62,469/x
  3. Step 3: Cross multiply
    28,912.50x = 62,469 × 62,469
  4. Step 4: Simplify right side
    28,912.50x = 3,902,375,961
  5. Step 5: Solve for x
    x = 3,902,375,961/28,912.50
  6. Step 6: Final answer
    x = 134,971.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.