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Finding the Third Proportional to 109,872 and 164,777

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Solution

The third proportional to 109,872 and 164,777 is: 247,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,872 : 164,777 = 164,777 : x
  2. Step 2: Convert to fraction form
    109,872/164,777 = 164,777/x
  3. Step 3: Cross multiply
    109,872x = 164,777 × 164,777
  4. Step 4: Simplify right side
    109,872x = 27,151,459,729
  5. Step 5: Solve for x
    x = 27,151,459,729/109,872
  6. Step 6: Final answer
    x = 247,119.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.