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Finding the Third Proportional to 352 and 764.50

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Solution

The third proportional to 352 and 764.50 is: 1,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 764.50 = 764.50 : x
  2. Step 2: Convert to fraction form
    352/764.50 = 764.50/x
  3. Step 3: Cross multiply
    352x = 764.50 × 764.50
  4. Step 4: Simplify right side
    352x = 584,460.25
  5. Step 5: Solve for x
    x = 584,460.25/352
  6. Step 6: Final answer
    x = 1,660.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.