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Finding the Third Proportional to 108,818 and 239,704

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Solution

The third proportional to 108,818 and 239,704 is: 528,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,818 : 239,704 = 239,704 : x
  2. Step 2: Convert to fraction form
    108,818/239,704 = 239,704/x
  3. Step 3: Cross multiply
    108,818x = 239,704 × 239,704
  4. Step 4: Simplify right side
    108,818x = 57,458,007,616
  5. Step 5: Solve for x
    x = 57,458,007,616/108,818
  6. Step 6: Final answer
    x = 528,019.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.