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Finding the Third Proportional to 18,951,831 and 40,776,301.13

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Solution

The third proportional to 18,951,831 and 40,776,301.13 is: 87,733,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,831 : 40,776,301.13 = 40,776,301.13 : x
  2. Step 2: Convert to fraction form
    18,951,831/40,776,301.13 = 40,776,301.13/x
  3. Step 3: Cross multiply
    18,951,831x = 40,776,301.13 × 40,776,301.13
  4. Step 4: Simplify right side
    18,951,831x = 1,662,706,733,436,676.25
  5. Step 5: Solve for x
    x = 1,662,706,733,436,676.25/18,951,831
  6. Step 6: Final answer
    x = 87,733,303.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.