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Finding the Third Proportional to 18,954,306 and 40,934,682

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Solution

The third proportional to 18,954,306 and 40,934,682 is: 88,404,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,306 : 40,934,682 = 40,934,682 : x
  2. Step 2: Convert to fraction form
    18,954,306/40,934,682 = 40,934,682/x
  3. Step 3: Cross multiply
    18,954,306x = 40,934,682 × 40,934,682
  4. Step 4: Simplify right side
    18,954,306x = 1,675,648,190,441,124
  5. Step 5: Solve for x
    x = 1,675,648,190,441,124/18,954,306
  6. Step 6: Final answer
    x = 88,404,618.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.