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Finding the Third Proportional to 18,929,436 and 41,175,492

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Solution

The third proportional to 18,929,436 and 41,175,492 is: 89,565,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,436 : 41,175,492 = 41,175,492 : x
  2. Step 2: Convert to fraction form
    18,929,436/41,175,492 = 41,175,492/x
  3. Step 3: Cross multiply
    18,929,436x = 41,175,492 × 41,175,492
  4. Step 4: Simplify right side
    18,929,436x = 1,695,421,141,442,064
  5. Step 5: Solve for x
    x = 1,695,421,141,442,064/18,929,436
  6. Step 6: Final answer
    x = 89,565,327.85

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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.