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Finding the Third Proportional to 447,212 and 669,045

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Solution

The third proportional to 447,212 and 669,045 is: 1,000,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,212 : 669,045 = 669,045 : x
  2. Step 2: Convert to fraction form
    447,212/669,045 = 669,045/x
  3. Step 3: Cross multiply
    447,212x = 669,045 × 669,045
  4. Step 4: Simplify right side
    447,212x = 447,621,212,025
  5. Step 5: Solve for x
    x = 447,621,212,025/447,212
  6. Step 6: Final answer
    x = 1,000,915.03

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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.