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Finding the Third Proportional to 257.06 and 543.94

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Solution

The third proportional to 257.06 and 543.94 is: 1,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257.06 : 543.94 = 543.94 : x
  2. Step 2: Convert to fraction form
    257.06/543.94 = 543.94/x
  3. Step 3: Cross multiply
    257.06x = 543.94 × 543.94
  4. Step 4: Simplify right side
    257.06x = 295,868.00
  5. Step 5: Solve for x
    x = 295,868.00/257.06
  6. Step 6: Final answer
    x = 1,150.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.