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Finding the Third Proportional to 215,472 and 458,592

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Solution

The third proportional to 215,472 and 458,592 is: 976,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,472 : 458,592 = 458,592 : x
  2. Step 2: Convert to fraction form
    215,472/458,592 = 458,592/x
  3. Step 3: Cross multiply
    215,472x = 458,592 × 458,592
  4. Step 4: Simplify right side
    215,472x = 210,306,622,464
  5. Step 5: Solve for x
    x = 210,306,622,464/215,472
  6. Step 6: Final answer
    x = 976,027.62

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.