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Finding the Third Proportional to 2,216,587 and 4,786,821

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Solution

The third proportional to 2,216,587 and 4,786,821 is: 10,337,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,587 : 4,786,821 = 4,786,821 : x
  2. Step 2: Convert to fraction form
    2,216,587/4,786,821 = 4,786,821/x
  3. Step 3: Cross multiply
    2,216,587x = 4,786,821 × 4,786,821
  4. Step 4: Simplify right side
    2,216,587x = 22,913,655,286,041
  5. Step 5: Solve for x
    x = 22,913,655,286,041/2,216,587
  6. Step 6: Final answer
    x = 10,337,358.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.