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Finding the Third Proportional to 54,486.75 and 82,545

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Solution

The third proportional to 54,486.75 and 82,545 is: 125,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,486.75 : 82,545 = 82,545 : x
  2. Step 2: Convert to fraction form
    54,486.75/82,545 = 82,545/x
  3. Step 3: Cross multiply
    54,486.75x = 82,545 × 82,545
  4. Step 4: Simplify right side
    54,486.75x = 6,813,677,025
  5. Step 5: Solve for x
    x = 6,813,677,025/54,486.75
  6. Step 6: Final answer
    x = 125,052.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.