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Finding the Third Proportional to 115.06 and 248.13

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Solution

The third proportional to 115.06 and 248.13 is: 535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.06 : 248.13 = 248.13 : x
  2. Step 2: Convert to fraction form
    115.06/248.13 = 248.13/x
  3. Step 3: Cross multiply
    115.06x = 248.13 × 248.13
  4. Step 4: Simplify right side
    115.06x = 61,566.02
  5. Step 5: Solve for x
    x = 61,566.02/115.06
  6. Step 6: Final answer
    x = 535.07

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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.