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Finding the Third Proportional to 272 and 527.50

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Solution

The third proportional to 272 and 527.50 is: 1,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272 : 527.50 = 527.50 : x
  2. Step 2: Convert to fraction form
    272/527.50 = 527.50/x
  3. Step 3: Cross multiply
    272x = 527.50 × 527.50
  4. Step 4: Simplify right side
    272x = 278,256.25
  5. Step 5: Solve for x
    x = 278,256.25/272
  6. Step 6: Final answer
    x = 1,023.00

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.