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Finding the Third Proportional to 75,288 and 110,099

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Solution

The third proportional to 75,288 and 110,099 is: 161,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288 : 110,099 = 110,099 : x
  2. Step 2: Convert to fraction form
    75,288/110,099 = 110,099/x
  3. Step 3: Cross multiply
    75,288x = 110,099 × 110,099
  4. Step 4: Simplify right side
    75,288x = 12,121,789,801
  5. Step 5: Solve for x
    x = 12,121,789,801/75,288
  6. Step 6: Final answer
    x = 161,005.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.