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Finding the Third Proportional to 258.75 and 294

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Solution

The third proportional to 258.75 and 294 is: 334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258.75 : 294 = 294 : x
  2. Step 2: Convert to fraction form
    258.75/294 = 294/x
  3. Step 3: Cross multiply
    258.75x = 294 × 294
  4. Step 4: Simplify right side
    258.75x = 86,436
  5. Step 5: Solve for x
    x = 86,436/258.75
  6. Step 6: Final answer
    x = 334.05

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These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.