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Finding the Third Proportional to 357.75 and 537.50

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Solution

The third proportional to 357.75 and 537.50 is: 807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.75 : 537.50 = 537.50 : x
  2. Step 2: Convert to fraction form
    357.75/537.50 = 537.50/x
  3. Step 3: Cross multiply
    357.75x = 537.50 × 537.50
  4. Step 4: Simplify right side
    357.75x = 288,906.25
  5. Step 5: Solve for x
    x = 288,906.25/357.75
  6. Step 6: Final answer
    x = 807.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.