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Finding the Third Proportional to 104,619 and 134,328

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Solution

The third proportional to 104,619 and 134,328 is: 172,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619 : 134,328 = 134,328 : x
  2. Step 2: Convert to fraction form
    104,619/134,328 = 134,328/x
  3. Step 3: Cross multiply
    104,619x = 134,328 × 134,328
  4. Step 4: Simplify right side
    104,619x = 18,044,011,584
  5. Step 5: Solve for x
    x = 18,044,011,584/104,619
  6. Step 6: Final answer
    x = 172,473.56

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.