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Finding the Third Proportional to 248.75 and 293.75

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Solution

The third proportional to 248.75 and 293.75 is: 346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.75 : 293.75 = 293.75 : x
  2. Step 2: Convert to fraction form
    248.75/293.75 = 293.75/x
  3. Step 3: Cross multiply
    248.75x = 293.75 × 293.75
  4. Step 4: Simplify right side
    248.75x = 86,289.06
  5. Step 5: Solve for x
    x = 86,289.06/248.75
  6. Step 6: Final answer
    x = 346.89

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.