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Finding the Third Proportional to 39,621 and 88,102

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Solution

The third proportional to 39,621 and 88,102 is: 195,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621 : 88,102 = 88,102 : x
  2. Step 2: Convert to fraction form
    39,621/88,102 = 88,102/x
  3. Step 3: Cross multiply
    39,621x = 88,102 × 88,102
  4. Step 4: Simplify right side
    39,621x = 7,761,962,404
  5. Step 5: Solve for x
    x = 7,761,962,404/39,621
  6. Step 6: Final answer
    x = 195,905.26

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.