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Finding the Third Proportional to 18,929,478 and 41,175,604

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Solution

The third proportional to 18,929,478 and 41,175,604 is: 89,565,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,478 : 41,175,604 = 41,175,604 : x
  2. Step 2: Convert to fraction form
    18,929,478/41,175,604 = 41,175,604/x
  3. Step 3: Cross multiply
    18,929,478x = 41,175,604 × 41,175,604
  4. Step 4: Simplify right side
    18,929,478x = 1,695,430,364,764,816
  5. Step 5: Solve for x
    x = 1,695,430,364,764,816/18,929,478
  6. Step 6: Final answer
    x = 89,565,616.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.