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Finding the Third Proportional to 284,524.31 and 619,246.69

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Solution

The third proportional to 284,524.31 and 619,246.69 is: 1,347,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,524.31 : 619,246.69 = 619,246.69 : x
  2. Step 2: Convert to fraction form
    284,524.31/619,246.69 = 619,246.69/x
  3. Step 3: Cross multiply
    284,524.31x = 619,246.69 × 619,246.69
  4. Step 4: Simplify right side
    284,524.31x = 383,466,459,979.72
  5. Step 5: Solve for x
    x = 383,466,459,979.72/284,524.31
  6. Step 6: Final answer
    x = 1,347,745.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.