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Finding the Third Proportional to 108,392 and 166,816

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Solution

The third proportional to 108,392 and 166,816 is: 256,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,392 : 166,816 = 166,816 : x
  2. Step 2: Convert to fraction form
    108,392/166,816 = 166,816/x
  3. Step 3: Cross multiply
    108,392x = 166,816 × 166,816
  4. Step 4: Simplify right side
    108,392x = 27,827,577,856
  5. Step 5: Solve for x
    x = 27,827,577,856/108,392
  6. Step 6: Final answer
    x = 256,730.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.