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Finding the Third Proportional to 297,058 and 447,005

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Solution

The third proportional to 297,058 and 447,005 is: 672,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,058 : 447,005 = 447,005 : x
  2. Step 2: Convert to fraction form
    297,058/447,005 = 447,005/x
  3. Step 3: Cross multiply
    297,058x = 447,005 × 447,005
  4. Step 4: Simplify right side
    297,058x = 199,813,470,025
  5. Step 5: Solve for x
    x = 199,813,470,025/297,058
  6. Step 6: Final answer
    x = 672,641.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.