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Finding the Third Proportional to 5,598 and 7,847

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Solution

The third proportional to 5,598 and 7,847 is: 10,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598 : 7,847 = 7,847 : x
  2. Step 2: Convert to fraction form
    5,598/7,847 = 7,847/x
  3. Step 3: Cross multiply
    5,598x = 7,847 × 7,847
  4. Step 4: Simplify right side
    5,598x = 61,575,409
  5. Step 5: Solve for x
    x = 61,575,409/5,598
  6. Step 6: Final answer
    x = 10,999.54

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.