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Finding the Third Proportional to 372,431 and 545,760.75

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Solution

The third proportional to 372,431 and 545,760.75 is: 799,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,431 : 545,760.75 = 545,760.75 : x
  2. Step 2: Convert to fraction form
    372,431/545,760.75 = 545,760.75/x
  3. Step 3: Cross multiply
    372,431x = 545,760.75 × 545,760.75
  4. Step 4: Simplify right side
    372,431x = 297,854,796,240.56
  5. Step 5: Solve for x
    x = 297,854,796,240.56/372,431
  6. Step 6: Final answer
    x = 799,758.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.