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Finding the Third Proportional to 265.50 and 504.75

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Solution

The third proportional to 265.50 and 504.75 is: 959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.50 : 504.75 = 504.75 : x
  2. Step 2: Convert to fraction form
    265.50/504.75 = 504.75/x
  3. Step 3: Cross multiply
    265.50x = 504.75 × 504.75
  4. Step 4: Simplify right side
    265.50x = 254,772.56
  5. Step 5: Solve for x
    x = 254,772.56/265.50
  6. Step 6: Final answer
    x = 959.60

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.