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Finding the Third Proportional to 116,687.25 and 255,964.50

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Solution

The third proportional to 116,687.25 and 255,964.50 is: 561,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,687.25 : 255,964.50 = 255,964.50 : x
  2. Step 2: Convert to fraction form
    116,687.25/255,964.50 = 255,964.50/x
  3. Step 3: Cross multiply
    116,687.25x = 255,964.50 × 255,964.50
  4. Step 4: Simplify right side
    116,687.25x = 65,517,825,260.25
  5. Step 5: Solve for x
    x = 65,517,825,260.25/116,687.25
  6. Step 6: Final answer
    x = 561,482.30

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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.