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Finding the Third Proportional to 518,436 and 741,366

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Solution

The third proportional to 518,436 and 741,366 is: 1,060,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,436 : 741,366 = 741,366 : x
  2. Step 2: Convert to fraction form
    518,436/741,366 = 741,366/x
  3. Step 3: Cross multiply
    518,436x = 741,366 × 741,366
  4. Step 4: Simplify right side
    518,436x = 549,623,545,956
  5. Step 5: Solve for x
    x = 549,623,545,956/518,436
  6. Step 6: Final answer
    x = 1,060,156.98

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.