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Finding the Third Proportional to 155,425.50 and 240,724.50

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Solution

The third proportional to 155,425.50 and 240,724.50 is: 372,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,425.50 : 240,724.50 = 240,724.50 : x
  2. Step 2: Convert to fraction form
    155,425.50/240,724.50 = 240,724.50/x
  3. Step 3: Cross multiply
    155,425.50x = 240,724.50 × 240,724.50
  4. Step 4: Simplify right side
    155,425.50x = 57,948,284,900.25
  5. Step 5: Solve for x
    x = 57,948,284,900.25/155,425.50
  6. Step 6: Final answer
    x = 372,836.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.