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Finding the Third Proportional to 669,616.88 and 1,005,949.13

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Solution

The third proportional to 669,616.88 and 1,005,949.13 is: 1,511,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,616.88 : 1,005,949.13 = 1,005,949.13 : x
  2. Step 2: Convert to fraction form
    669,616.88/1,005,949.13 = 1,005,949.13/x
  3. Step 3: Cross multiply
    669,616.88x = 1,005,949.13 × 1,005,949.13
  4. Step 4: Simplify right side
    669,616.88x = 1,011,933,642,088.27
  5. Step 5: Solve for x
    x = 1,011,933,642,088.27/669,616.88
  6. Step 6: Final answer
    x = 1,511,212.87

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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.