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Finding the Third Proportional to 18,458,112 and 40,237,548

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Solution

The third proportional to 18,458,112 and 40,237,548 is: 87,715,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,112 : 40,237,548 = 40,237,548 : x
  2. Step 2: Convert to fraction form
    18,458,112/40,237,548 = 40,237,548/x
  3. Step 3: Cross multiply
    18,458,112x = 40,237,548 × 40,237,548
  4. Step 4: Simplify right side
    18,458,112x = 1,619,060,269,052,304
  5. Step 5: Solve for x
    x = 1,619,060,269,052,304/18,458,112
  6. Step 6: Final answer
    x = 87,715,377.88

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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.