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Finding the Third Proportional to 297,702 and 447,228

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Solution

The third proportional to 297,702 and 447,228 is: 671,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,702 : 447,228 = 447,228 : x
  2. Step 2: Convert to fraction form
    297,702/447,228 = 447,228/x
  3. Step 3: Cross multiply
    297,702x = 447,228 × 447,228
  4. Step 4: Simplify right side
    297,702x = 200,012,883,984
  5. Step 5: Solve for x
    x = 200,012,883,984/297,702
  6. Step 6: Final answer
    x = 671,856.03

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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.