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Finding the Third Proportional to 264.50 and 345

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Solution

The third proportional to 264.50 and 345 is: 450

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.50 : 345 = 345 : x
  2. Step 2: Convert to fraction form
    264.50/345 = 345/x
  3. Step 3: Cross multiply
    264.50x = 345 × 345
  4. Step 4: Simplify right side
    264.50x = 119,025
  5. Step 5: Solve for x
    x = 119,025/264.50
  6. Step 6: Final answer
    x = 450

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.