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Finding the Third Proportional to 29,787.75 and 61,641

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Solution

The third proportional to 29,787.75 and 61,641 is: 127,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.75 : 61,641 = 61,641 : x
  2. Step 2: Convert to fraction form
    29,787.75/61,641 = 61,641/x
  3. Step 3: Cross multiply
    29,787.75x = 61,641 × 61,641
  4. Step 4: Simplify right side
    29,787.75x = 3,799,612,881
  5. Step 5: Solve for x
    x = 3,799,612,881/29,787.75
  6. Step 6: Final answer
    x = 127,556.22

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.