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Finding the Third Proportional to 1,119,234.38 and 2,398,138.31

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Solution

The third proportional to 1,119,234.38 and 2,398,138.31 is: 5,138,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,234.38 : 2,398,138.31 = 2,398,138.31 : x
  2. Step 2: Convert to fraction form
    1,119,234.38/2,398,138.31 = 2,398,138.31/x
  3. Step 3: Cross multiply
    1,119,234.38x = 2,398,138.31 × 2,398,138.31
  4. Step 4: Simplify right side
    1,119,234.38x = 5,751,067,365,880.35
  5. Step 5: Solve for x
    x = 5,751,067,365,880.35/1,119,234.38
  6. Step 6: Final answer
    x = 5,138,394.15

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.