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Finding the Third Proportional to 8,928,884 and 19,379,920

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Solution

The third proportional to 8,928,884 and 19,379,920 is: 42,063,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928,884 : 19,379,920 = 19,379,920 : x
  2. Step 2: Convert to fraction form
    8,928,884/19,379,920 = 19,379,920/x
  3. Step 3: Cross multiply
    8,928,884x = 19,379,920 × 19,379,920
  4. Step 4: Simplify right side
    8,928,884x = 375,581,299,206,400
  5. Step 5: Solve for x
    x = 375,581,299,206,400/8,928,884
  6. Step 6: Final answer
    x = 42,063,632.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.