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Finding the Third Proportional to 54,686.25 and 119,659.50

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Solution

The third proportional to 54,686.25 and 119,659.50 is: 261,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.25 : 119,659.50 = 119,659.50 : x
  2. Step 2: Convert to fraction form
    54,686.25/119,659.50 = 119,659.50/x
  3. Step 3: Cross multiply
    54,686.25x = 119,659.50 × 119,659.50
  4. Step 4: Simplify right side
    54,686.25x = 14,318,395,940.25
  5. Step 5: Solve for x
    x = 14,318,395,940.25/54,686.25
  6. Step 6: Final answer
    x = 261,828.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.