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Finding the Third Proportional to 447,211.50 and 669,046.50

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Solution

The third proportional to 447,211.50 and 669,046.50 is: 1,000,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,211.50 : 669,046.50 = 669,046.50 : x
  2. Step 2: Convert to fraction form
    447,211.50/669,046.50 = 669,046.50/x
  3. Step 3: Cross multiply
    447,211.50x = 669,046.50 × 669,046.50
  4. Step 4: Simplify right side
    447,211.50x = 447,623,219,162.25
  5. Step 5: Solve for x
    x = 447,623,219,162.25/447,211.50
  6. Step 6: Final answer
    x = 1,000,920.64

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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.