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Finding the Third Proportional to 248.06 and 543.38

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Solution

The third proportional to 248.06 and 543.38 is: 1,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.06 : 543.38 = 543.38 : x
  2. Step 2: Convert to fraction form
    248.06/543.38 = 543.38/x
  3. Step 3: Cross multiply
    248.06x = 543.38 × 543.38
  4. Step 4: Simplify right side
    248.06x = 295,256.39
  5. Step 5: Solve for x
    x = 295,256.39/248.06
  6. Step 6: Final answer
    x = 1,190.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.