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Finding the Third Proportional to 7,211 and 15,652

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Solution

The third proportional to 7,211 and 15,652 is: 33,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211 : 15,652 = 15,652 : x
  2. Step 2: Convert to fraction form
    7,211/15,652 = 15,652/x
  3. Step 3: Cross multiply
    7,211x = 15,652 × 15,652
  4. Step 4: Simplify right side
    7,211x = 244,985,104
  5. Step 5: Solve for x
    x = 244,985,104/7,211
  6. Step 6: Final answer
    x = 33,973.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.