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Finding the Third Proportional to 279,444 and 442,797

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Solution

The third proportional to 279,444 and 442,797 is: 701,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,444 : 442,797 = 442,797 : x
  2. Step 2: Convert to fraction form
    279,444/442,797 = 442,797/x
  3. Step 3: Cross multiply
    279,444x = 442,797 × 442,797
  4. Step 4: Simplify right side
    279,444x = 196,069,183,209
  5. Step 5: Solve for x
    x = 196,069,183,209/279,444
  6. Step 6: Final answer
    x = 701,640.34

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.