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Finding the Third Proportional to 155,687.55 and 335,252.81

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Solution

The third proportional to 155,687.55 and 335,252.81 is: 721,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,687.55 : 335,252.81 = 335,252.81 : x
  2. Step 2: Convert to fraction form
    155,687.55/335,252.81 = 335,252.81/x
  3. Step 3: Cross multiply
    155,687.55x = 335,252.81 × 335,252.81
  4. Step 4: Simplify right side
    155,687.55x = 112,394,448,289.16
  5. Step 5: Solve for x
    x = 112,394,448,289.16/155,687.55
  6. Step 6: Final answer
    x = 721,923.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.