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Finding the Third Proportional to 8,302,474 and 18,239,446

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Solution

The third proportional to 8,302,474 and 18,239,446 is: 40,069,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,474 : 18,239,446 = 18,239,446 : x
  2. Step 2: Convert to fraction form
    8,302,474/18,239,446 = 18,239,446/x
  3. Step 3: Cross multiply
    8,302,474x = 18,239,446 × 18,239,446
  4. Step 4: Simplify right side
    8,302,474x = 332,677,390,386,916
  5. Step 5: Solve for x
    x = 332,677,390,386,916/8,302,474
  6. Step 6: Final answer
    x = 40,069,669.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.