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Finding the Third Proportional to 62,957.25 and 136,991.25

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Solution

The third proportional to 62,957.25 and 136,991.25 is: 298,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,957.25 : 136,991.25 = 136,991.25 : x
  2. Step 2: Convert to fraction form
    62,957.25/136,991.25 = 136,991.25/x
  3. Step 3: Cross multiply
    62,957.25x = 136,991.25 × 136,991.25
  4. Step 4: Simplify right side
    62,957.25x = 18,766,602,576.56
  5. Step 5: Solve for x
    x = 18,766,602,576.56/62,957.25
  6. Step 6: Final answer
    x = 298,084.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.