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Finding the Third Proportional to 568,861 and 1,218,685

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Solution

The third proportional to 568,861 and 1,218,685 is: 2,610,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,861 : 1,218,685 = 1,218,685 : x
  2. Step 2: Convert to fraction form
    568,861/1,218,685 = 1,218,685/x
  3. Step 3: Cross multiply
    568,861x = 1,218,685 × 1,218,685
  4. Step 4: Simplify right side
    568,861x = 1,485,193,129,225
  5. Step 5: Solve for x
    x = 1,485,193,129,225/568,861
  6. Step 6: Final answer
    x = 2,610,819.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.