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Finding the Third Proportional to 236.34 and 510.75

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Solution

The third proportional to 236.34 and 510.75 is: 1,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.34 : 510.75 = 510.75 : x
  2. Step 2: Convert to fraction form
    236.34/510.75 = 510.75/x
  3. Step 3: Cross multiply
    236.34x = 510.75 × 510.75
  4. Step 4: Simplify right side
    236.34x = 260,865.56
  5. Step 5: Solve for x
    x = 260,865.56/236.34
  6. Step 6: Final answer
    x = 1,103.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.