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Finding the Third Proportional to 8,388,446 and 18,346,884

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Solution

The third proportional to 8,388,446 and 18,346,884 is: 40,127,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,446 : 18,346,884 = 18,346,884 : x
  2. Step 2: Convert to fraction form
    8,388,446/18,346,884 = 18,346,884/x
  3. Step 3: Cross multiply
    8,388,446x = 18,346,884 × 18,346,884
  4. Step 4: Simplify right side
    8,388,446x = 336,608,152,509,456
  5. Step 5: Solve for x
    x = 336,608,152,509,456/8,388,446
  6. Step 6: Final answer
    x = 40,127,593.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.