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Finding the Third Proportional to 28,905.75 and 62,724.75

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Solution

The third proportional to 28,905.75 and 62,724.75 is: 136,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.75 : 62,724.75 = 62,724.75 : x
  2. Step 2: Convert to fraction form
    28,905.75/62,724.75 = 62,724.75/x
  3. Step 3: Cross multiply
    28,905.75x = 62,724.75 × 62,724.75
  4. Step 4: Simplify right side
    28,905.75x = 3,934,394,262.56
  5. Step 5: Solve for x
    x = 3,934,394,262.56/28,905.75
  6. Step 6: Final answer
    x = 136,111.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.