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Finding the Third Proportional to 458,952.75 and 999,561

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Solution

The third proportional to 458,952.75 and 999,561 is: 2,176,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,952.75 : 999,561 = 999,561 : x
  2. Step 2: Convert to fraction form
    458,952.75/999,561 = 999,561/x
  3. Step 3: Cross multiply
    458,952.75x = 999,561 × 999,561
  4. Step 4: Simplify right side
    458,952.75x = 999,122,192,721
  5. Step 5: Solve for x
    x = 999,122,192,721/458,952.75
  6. Step 6: Final answer
    x = 2,176,960.90

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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.