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Finding the Third Proportional to 1,278,650.81 and 2,760,109.17

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Solution

The third proportional to 1,278,650.81 and 2,760,109.17 is: 5,958,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,650.81 : 2,760,109.17 = 2,760,109.17 : x
  2. Step 2: Convert to fraction form
    1,278,650.81/2,760,109.17 = 2,760,109.17/x
  3. Step 3: Cross multiply
    1,278,650.81x = 2,760,109.17 × 2,760,109.17
  4. Step 4: Simplify right side
    1,278,650.81x = 7,618,202,640,668.50
  5. Step 5: Solve for x
    x = 7,618,202,640,668.50/1,278,650.81
  6. Step 6: Final answer
    x = 5,958,000.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.