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Finding the Third Proportional to 842 and 1,501

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Solution

The third proportional to 842 and 1,501 is: 2,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    842 : 1,501 = 1,501 : x
  2. Step 2: Convert to fraction form
    842/1,501 = 1,501/x
  3. Step 3: Cross multiply
    842x = 1,501 × 1,501
  4. Step 4: Simplify right side
    842x = 2,253,001
  5. Step 5: Solve for x
    x = 2,253,001/842
  6. Step 6: Final answer
    x = 2,675.77

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.