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Finding the Third Proportional to 18,818,898 and 40,824,228

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Solution

The third proportional to 18,818,898 and 40,824,228 is: 88,560,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818,898 : 40,824,228 = 40,824,228 : x
  2. Step 2: Convert to fraction form
    18,818,898/40,824,228 = 40,824,228/x
  3. Step 3: Cross multiply
    18,818,898x = 40,824,228 × 40,824,228
  4. Step 4: Simplify right side
    18,818,898x = 1,666,617,591,795,984
  5. Step 5: Solve for x
    x = 1,666,617,591,795,984/18,818,898
  6. Step 6: Final answer
    x = 88,560,849.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.