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Finding the Third Proportional to 8,624,290 and 18,998,519

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Solution

The third proportional to 8,624,290 and 18,998,519 is: 41,851,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624,290 : 18,998,519 = 18,998,519 : x
  2. Step 2: Convert to fraction form
    8,624,290/18,998,519 = 18,998,519/x
  3. Step 3: Cross multiply
    8,624,290x = 18,998,519 × 18,998,519
  4. Step 4: Simplify right side
    8,624,290x = 360,943,724,193,361
  5. Step 5: Solve for x
    x = 360,943,724,193,361/8,624,290
  6. Step 6: Final answer
    x = 41,851,992.94

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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.