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Finding the Third Proportional to 261.75 and 523.50

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Solution

The third proportional to 261.75 and 523.50 is: 1,047

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.75 : 523.50 = 523.50 : x
  2. Step 2: Convert to fraction form
    261.75/523.50 = 523.50/x
  3. Step 3: Cross multiply
    261.75x = 523.50 × 523.50
  4. Step 4: Simplify right side
    261.75x = 274,052.25
  5. Step 5: Solve for x
    x = 274,052.25/261.75
  6. Step 6: Final answer
    x = 1,047

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.