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Finding the Third Proportional to 18,929,540 and 41,175,712

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Solution

The third proportional to 18,929,540 and 41,175,712 is: 89,565,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,540 : 41,175,712 = 41,175,712 : x
  2. Step 2: Convert to fraction form
    18,929,540/41,175,712 = 41,175,712/x
  3. Step 3: Cross multiply
    18,929,540x = 41,175,712 × 41,175,712
  4. Step 4: Simplify right side
    18,929,540x = 1,695,439,258,706,944
  5. Step 5: Solve for x
    x = 1,695,439,258,706,944/18,929,540
  6. Step 6: Final answer
    x = 89,565,792.87

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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.