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Finding the Third Proportional to 13,156,238 and 20,247,843

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Solution

The third proportional to 13,156,238 and 20,247,843 is: 31,162,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,238 : 20,247,843 = 20,247,843 : x
  2. Step 2: Convert to fraction form
    13,156,238/20,247,843 = 20,247,843/x
  3. Step 3: Cross multiply
    13,156,238x = 20,247,843 × 20,247,843
  4. Step 4: Simplify right side
    13,156,238x = 409,975,146,152,649
  5. Step 5: Solve for x
    x = 409,975,146,152,649/13,156,238
  6. Step 6: Final answer
    x = 31,162,034.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.