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Finding the Third Proportional to 275,220.28 and 606,307.78

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Solution

The third proportional to 275,220.28 and 606,307.78 is: 1,335,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,220.28 : 606,307.78 = 606,307.78 : x
  2. Step 2: Convert to fraction form
    275,220.28/606,307.78 = 606,307.78/x
  3. Step 3: Cross multiply
    275,220.28x = 606,307.78 × 606,307.78
  4. Step 4: Simplify right side
    275,220.28x = 367,609,125,604.30
  5. Step 5: Solve for x
    x = 367,609,125,604.30/275,220.28
  6. Step 6: Final answer
    x = 1,335,690.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.