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Finding the Third Proportional to 384,079 and 581,424

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Solution

The third proportional to 384,079 and 581,424 is: 880,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,079 : 581,424 = 581,424 : x
  2. Step 2: Convert to fraction form
    384,079/581,424 = 581,424/x
  3. Step 3: Cross multiply
    384,079x = 581,424 × 581,424
  4. Step 4: Simplify right side
    384,079x = 338,053,867,776
  5. Step 5: Solve for x
    x = 338,053,867,776/384,079
  6. Step 6: Final answer
    x = 880,167.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.