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Finding the Third Proportional to 908.25 and 1,951.50

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Solution

The third proportional to 908.25 and 1,951.50 is: 4,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.25 : 1,951.50 = 1,951.50 : x
  2. Step 2: Convert to fraction form
    908.25/1,951.50 = 1,951.50/x
  3. Step 3: Cross multiply
    908.25x = 1,951.50 × 1,951.50
  4. Step 4: Simplify right side
    908.25x = 3,808,352.25
  5. Step 5: Solve for x
    x = 3,808,352.25/908.25
  6. Step 6: Final answer
    x = 4,193.07

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.