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Finding the Third Proportional to 275,238.75 and 557,871.75

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Solution

The third proportional to 275,238.75 and 557,871.75 is: 1,130,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,238.75 : 557,871.75 = 557,871.75 : x
  2. Step 2: Convert to fraction form
    275,238.75/557,871.75 = 557,871.75/x
  3. Step 3: Cross multiply
    275,238.75x = 557,871.75 × 557,871.75
  4. Step 4: Simplify right side
    275,238.75x = 311,220,889,448.06
  5. Step 5: Solve for x
    x = 311,220,889,448.06/275,238.75
  6. Step 6: Final answer
    x = 1,130,730.65

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.