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Finding the Third Proportional to 2,962 and 7,135

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Solution

The third proportional to 2,962 and 7,135 is: 17,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962 : 7,135 = 7,135 : x
  2. Step 2: Convert to fraction form
    2,962/7,135 = 7,135/x
  3. Step 3: Cross multiply
    2,962x = 7,135 × 7,135
  4. Step 4: Simplify right side
    2,962x = 50,908,225
  5. Step 5: Solve for x
    x = 50,908,225/2,962
  6. Step 6: Final answer
    x = 17,187.11

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.