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Finding the Third Proportional to 18,706,228 and 40,197,234

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Solution

The third proportional to 18,706,228 and 40,197,234 is: 86,378,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,228 : 40,197,234 = 40,197,234 : x
  2. Step 2: Convert to fraction form
    18,706,228/40,197,234 = 40,197,234/x
  3. Step 3: Cross multiply
    18,706,228x = 40,197,234 × 40,197,234
  4. Step 4: Simplify right side
    18,706,228x = 1,615,817,621,250,756
  5. Step 5: Solve for x
    x = 1,615,817,621,250,756/18,706,228
  6. Step 6: Final answer
    x = 86,378,591.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.