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Finding the Third Proportional to 372,490.52 and 557,252.16

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Solution

The third proportional to 372,490.52 and 557,252.16 is: 833,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,490.52 : 557,252.16 = 557,252.16 : x
  2. Step 2: Convert to fraction form
    372,490.52/557,252.16 = 557,252.16/x
  3. Step 3: Cross multiply
    372,490.52x = 557,252.16 × 557,252.16
  4. Step 4: Simplify right side
    372,490.52x = 310,529,965,645.27
  5. Step 5: Solve for x
    x = 310,529,965,645.27/372,490.52
  6. Step 6: Final answer
    x = 833,658.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.