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Finding the Third Proportional to 108,621 and 163,626

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Solution

The third proportional to 108,621 and 163,626 is: 246,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621 : 163,626 = 163,626 : x
  2. Step 2: Convert to fraction form
    108,621/163,626 = 163,626/x
  3. Step 3: Cross multiply
    108,621x = 163,626 × 163,626
  4. Step 4: Simplify right side
    108,621x = 26,773,467,876
  5. Step 5: Solve for x
    x = 26,773,467,876/108,621
  6. Step 6: Final answer
    x = 246,485.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.