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Finding the Third Proportional to 71,544.94 and 155,381.63

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Solution

The third proportional to 71,544.94 and 155,381.63 is: 337,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.94 : 155,381.63 = 155,381.63 : x
  2. Step 2: Convert to fraction form
    71,544.94/155,381.63 = 155,381.63/x
  3. Step 3: Cross multiply
    71,544.94x = 155,381.63 × 155,381.63
  4. Step 4: Simplify right side
    71,544.94x = 24,143,449,387.64
  5. Step 5: Solve for x
    x = 24,143,449,387.64/71,544.94
  6. Step 6: Final answer
    x = 337,458.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.