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Finding the Third Proportional to 18,627,868 and 40,718,644

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Solution

The third proportional to 18,627,868 and 40,718,644 is: 89,006,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,868 : 40,718,644 = 40,718,644 : x
  2. Step 2: Convert to fraction form
    18,627,868/40,718,644 = 40,718,644/x
  3. Step 3: Cross multiply
    18,627,868x = 40,718,644 × 40,718,644
  4. Step 4: Simplify right side
    18,627,868x = 1,658,007,969,198,736
  5. Step 5: Solve for x
    x = 1,658,007,969,198,736/18,627,868
  6. Step 6: Final answer
    x = 89,006,856.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.