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Finding the Third Proportional to 5,778,438 and 12,519,858

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Solution

The third proportional to 5,778,438 and 12,519,858 is: 27,126,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778,438 : 12,519,858 = 12,519,858 : x
  2. Step 2: Convert to fraction form
    5,778,438/12,519,858 = 12,519,858/x
  3. Step 3: Cross multiply
    5,778,438x = 12,519,858 × 12,519,858
  4. Step 4: Simplify right side
    5,778,438x = 156,746,844,340,164
  5. Step 5: Solve for x
    x = 156,746,844,340,164/5,778,438
  6. Step 6: Final answer
    x = 27,126,161.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.