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Finding the Third Proportional to 11,964,432 and 18,561,195

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Solution

The third proportional to 11,964,432 and 18,561,195 is: 28,795,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964,432 : 18,561,195 = 18,561,195 : x
  2. Step 2: Convert to fraction form
    11,964,432/18,561,195 = 18,561,195/x
  3. Step 3: Cross multiply
    11,964,432x = 18,561,195 × 18,561,195
  4. Step 4: Simplify right side
    11,964,432x = 344,517,959,828,025
  5. Step 5: Solve for x
    x = 344,517,959,828,025/11,964,432
  6. Step 6: Final answer
    x = 28,795,178.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.