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Finding the Third Proportional to 5,621 and 6,125

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Solution

The third proportional to 5,621 and 6,125 is: 6,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621 : 6,125 = 6,125 : x
  2. Step 2: Convert to fraction form
    5,621/6,125 = 6,125/x
  3. Step 3: Cross multiply
    5,621x = 6,125 × 6,125
  4. Step 4: Simplify right side
    5,621x = 37,515,625
  5. Step 5: Solve for x
    x = 37,515,625/5,621
  6. Step 6: Final answer
    x = 6,674.19

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.