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Finding the Third Proportional to 283,801 and 439,471

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Solution

The third proportional to 283,801 and 439,471 is: 680,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,801 : 439,471 = 439,471 : x
  2. Step 2: Convert to fraction form
    283,801/439,471 = 439,471/x
  3. Step 3: Cross multiply
    283,801x = 439,471 × 439,471
  4. Step 4: Simplify right side
    283,801x = 193,134,759,841
  5. Step 5: Solve for x
    x = 193,134,759,841/283,801
  6. Step 6: Final answer
    x = 680,528.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.