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Finding the Third Proportional to 535.88 and 807.75

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Solution

The third proportional to 535.88 and 807.75 is: 1,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.88 : 807.75 = 807.75 : x
  2. Step 2: Convert to fraction form
    535.88/807.75 = 807.75/x
  3. Step 3: Cross multiply
    535.88x = 807.75 × 807.75
  4. Step 4: Simplify right side
    535.88x = 652,460.06
  5. Step 5: Solve for x
    x = 652,460.06/535.88
  6. Step 6: Final answer
    x = 1,217.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.