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Finding the Third Proportional to 265.75 and 572.50

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Solution

The third proportional to 265.75 and 572.50 is: 1,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.75 : 572.50 = 572.50 : x
  2. Step 2: Convert to fraction form
    265.75/572.50 = 572.50/x
  3. Step 3: Cross multiply
    265.75x = 572.50 × 572.50
  4. Step 4: Simplify right side
    265.75x = 327,756.25
  5. Step 5: Solve for x
    x = 327,756.25/265.75
  6. Step 6: Final answer
    x = 1,233.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.