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Finding the Third Proportional to 8,217,074 and 18,322,420

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Solution

The third proportional to 8,217,074 and 18,322,420 is: 40,855,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217,074 : 18,322,420 = 18,322,420 : x
  2. Step 2: Convert to fraction form
    8,217,074/18,322,420 = 18,322,420/x
  3. Step 3: Cross multiply
    8,217,074x = 18,322,420 × 18,322,420
  4. Step 4: Simplify right side
    8,217,074x = 335,711,074,656,400
  5. Step 5: Solve for x
    x = 335,711,074,656,400/8,217,074
  6. Step 6: Final answer
    x = 40,855,306.24

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.