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Finding the Third Proportional to 959.50 and 2,135

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Solution

The third proportional to 959.50 and 2,135 is: 4,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.50 : 2,135 = 2,135 : x
  2. Step 2: Convert to fraction form
    959.50/2,135 = 2,135/x
  3. Step 3: Cross multiply
    959.50x = 2,135 × 2,135
  4. Step 4: Simplify right side
    959.50x = 4,558,225
  5. Step 5: Solve for x
    x = 4,558,225/959.50
  6. Step 6: Final answer
    x = 4,750.63

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.