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Finding the Third Proportional to 8,550,639 and 18,811,388

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Solution

The third proportional to 8,550,639 and 18,811,388 is: 41,385,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550,639 : 18,811,388 = 18,811,388 : x
  2. Step 2: Convert to fraction form
    8,550,639/18,811,388 = 18,811,388/x
  3. Step 3: Cross multiply
    8,550,639x = 18,811,388 × 18,811,388
  4. Step 4: Simplify right side
    8,550,639x = 353,868,318,486,544
  5. Step 5: Solve for x
    x = 353,868,318,486,544/8,550,639
  6. Step 6: Final answer
    x = 41,385,014.44

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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.