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Finding the Third Proportional to 362,867 and 576,478

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Solution

The third proportional to 362,867 and 576,478 is: 915,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,867 : 576,478 = 576,478 : x
  2. Step 2: Convert to fraction form
    362,867/576,478 = 576,478/x
  3. Step 3: Cross multiply
    362,867x = 576,478 × 576,478
  4. Step 4: Simplify right side
    362,867x = 332,326,884,484
  5. Step 5: Solve for x
    x = 332,326,884,484/362,867
  6. Step 6: Final answer
    x = 915,836.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.