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Finding the Third Proportional to 108,272.25 and 166,635

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Solution

The third proportional to 108,272.25 and 166,635 is: 256,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,272.25 : 166,635 = 166,635 : x
  2. Step 2: Convert to fraction form
    108,272.25/166,635 = 166,635/x
  3. Step 3: Cross multiply
    108,272.25x = 166,635 × 166,635
  4. Step 4: Simplify right side
    108,272.25x = 27,767,223,225
  5. Step 5: Solve for x
    x = 27,767,223,225/108,272.25
  6. Step 6: Final answer
    x = 256,457.43

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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.