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Finding the Third Proportional to 518,496 and 799,872

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Solution

The third proportional to 518,496 and 799,872 is: 1,233,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,496 : 799,872 = 799,872 : x
  2. Step 2: Convert to fraction form
    518,496/799,872 = 799,872/x
  3. Step 3: Cross multiply
    518,496x = 799,872 × 799,872
  4. Step 4: Simplify right side
    518,496x = 639,795,216,384
  5. Step 5: Solve for x
    x = 639,795,216,384/518,496
  6. Step 6: Final answer
    x = 1,233,944.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.