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Finding the Third Proportional to 18,215,745.75 and 43,001,178.75

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Solution

The third proportional to 18,215,745.75 and 43,001,178.75 is: 101,511,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,745.75 : 43,001,178.75 = 43,001,178.75 : x
  2. Step 2: Convert to fraction form
    18,215,745.75/43,001,178.75 = 43,001,178.75/x
  3. Step 3: Cross multiply
    18,215,745.75x = 43,001,178.75 × 43,001,178.75
  4. Step 4: Simplify right side
    18,215,745.75x = 1,849,101,373,889,451.50
  5. Step 5: Solve for x
    x = 1,849,101,373,889,451.50/18,215,745.75
  6. Step 6: Final answer
    x = 101,511,154.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.