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Finding the Third Proportional to 18,195,867 and 40,030,902

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Solution

The third proportional to 18,195,867 and 40,030,902 is: 88,067,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,867 : 40,030,902 = 40,030,902 : x
  2. Step 2: Convert to fraction form
    18,195,867/40,030,902 = 40,030,902/x
  3. Step 3: Cross multiply
    18,195,867x = 40,030,902 × 40,030,902
  4. Step 4: Simplify right side
    18,195,867x = 1,602,473,114,933,604
  5. Step 5: Solve for x
    x = 1,602,473,114,933,604/18,195,867
  6. Step 6: Final answer
    x = 88,067,972.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.