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Finding the Third Proportional to 108,849.50 and 168,125

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Solution

The third proportional to 108,849.50 and 168,125 is: 259,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,849.50 : 168,125 = 168,125 : x
  2. Step 2: Convert to fraction form
    108,849.50/168,125 = 168,125/x
  3. Step 3: Cross multiply
    108,849.50x = 168,125 × 168,125
  4. Step 4: Simplify right side
    108,849.50x = 28,266,015,625
  5. Step 5: Solve for x
    x = 28,266,015,625/108,849.50
  6. Step 6: Final answer
    x = 259,679.79

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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.