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Finding the Third Proportional to 108,166.50 and 161,349.75

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Solution

The third proportional to 108,166.50 and 161,349.75 is: 240,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,166.50 : 161,349.75 = 161,349.75 : x
  2. Step 2: Convert to fraction form
    108,166.50/161,349.75 = 161,349.75/x
  3. Step 3: Cross multiply
    108,166.50x = 161,349.75 × 161,349.75
  4. Step 4: Simplify right side
    108,166.50x = 26,033,741,825.06
  5. Step 5: Solve for x
    x = 26,033,741,825.06/108,166.50
  6. Step 6: Final answer
    x = 240,682.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.