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Finding the Third Proportional to 5,091 and 5,835

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Solution

The third proportional to 5,091 and 5,835 is: 6,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091 : 5,835 = 5,835 : x
  2. Step 2: Convert to fraction form
    5,091/5,835 = 5,835/x
  3. Step 3: Cross multiply
    5,091x = 5,835 × 5,835
  4. Step 4: Simplify right side
    5,091x = 34,047,225
  5. Step 5: Solve for x
    x = 34,047,225/5,091
  6. Step 6: Final answer
    x = 6,687.73

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.