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Finding the Third Proportional to 233.75 and 572.75

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Solution

The third proportional to 233.75 and 572.75 is: 1,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.75 : 572.75 = 572.75 : x
  2. Step 2: Convert to fraction form
    233.75/572.75 = 572.75/x
  3. Step 3: Cross multiply
    233.75x = 572.75 × 572.75
  4. Step 4: Simplify right side
    233.75x = 328,042.56
  5. Step 5: Solve for x
    x = 328,042.56/233.75
  6. Step 6: Final answer
    x = 1,403.39

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.