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Finding the Third Proportional to 29,787.12 and 65,477.74

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Solution

The third proportional to 29,787.12 and 65,477.74 is: 143,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.12 : 65,477.74 = 65,477.74 : x
  2. Step 2: Convert to fraction form
    29,787.12/65,477.74 = 65,477.74/x
  3. Step 3: Cross multiply
    29,787.12x = 65,477.74 × 65,477.74
  4. Step 4: Simplify right side
    29,787.12x = 4,287,334,721.97
  5. Step 5: Solve for x
    x = 4,287,334,721.97/29,787.12
  6. Step 6: Final answer
    x = 143,932.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.