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Finding the Third Proportional to 108,657.07 and 166,215.80

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Solution

The third proportional to 108,657.07 and 166,215.80 is: 254,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657.07 : 166,215.80 = 166,215.80 : x
  2. Step 2: Convert to fraction form
    108,657.07/166,215.80 = 166,215.80/x
  3. Step 3: Cross multiply
    108,657.07x = 166,215.80 × 166,215.80
  4. Step 4: Simplify right side
    108,657.07x = 27,627,691,130.79
  5. Step 5: Solve for x
    x = 27,627,691,130.79/108,657.07
  6. Step 6: Final answer
    x = 254,265.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.