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Finding the Third Proportional to 18,929,472 and 41,175,580

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Solution

The third proportional to 18,929,472 and 41,175,580 is: 89,565,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,472 : 41,175,580 = 41,175,580 : x
  2. Step 2: Convert to fraction form
    18,929,472/41,175,580 = 41,175,580/x
  3. Step 3: Cross multiply
    18,929,472x = 41,175,580 × 41,175,580
  4. Step 4: Simplify right side
    18,929,472x = 1,695,428,388,336,400
  5. Step 5: Solve for x
    x = 1,695,428,388,336,400/18,929,472
  6. Step 6: Final answer
    x = 89,565,540.36

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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.