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Finding the Third Proportional to 54,119 and 119,919

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Solution

The third proportional to 54,119 and 119,919 is: 265,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119 : 119,919 = 119,919 : x
  2. Step 2: Convert to fraction form
    54,119/119,919 = 119,919/x
  3. Step 3: Cross multiply
    54,119x = 119,919 × 119,919
  4. Step 4: Simplify right side
    54,119x = 14,380,566,561
  5. Step 5: Solve for x
    x = 14,380,566,561/54,119
  6. Step 6: Final answer
    x = 265,721.22

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.