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Finding the Third Proportional to 18,462,832 and 40,176,676

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Solution

The third proportional to 18,462,832 and 40,176,676 is: 87,427,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,832 : 40,176,676 = 40,176,676 : x
  2. Step 2: Convert to fraction form
    18,462,832/40,176,676 = 40,176,676/x
  3. Step 3: Cross multiply
    18,462,832x = 40,176,676 × 40,176,676
  4. Step 4: Simplify right side
    18,462,832x = 1,614,165,294,408,976
  5. Step 5: Solve for x
    x = 1,614,165,294,408,976/18,462,832
  6. Step 6: Final answer
    x = 87,427,827.67

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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.