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Finding the Third Proportional to 75,384.75 and 116,619.38

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Solution

The third proportional to 75,384.75 and 116,619.38 is: 180,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.75 : 116,619.38 = 116,619.38 : x
  2. Step 2: Convert to fraction form
    75,384.75/116,619.38 = 116,619.38/x
  3. Step 3: Cross multiply
    75,384.75x = 116,619.38 × 116,619.38
  4. Step 4: Simplify right side
    75,384.75x = 13,600,078,625.39
  5. Step 5: Solve for x
    x = 13,600,078,625.39/75,384.75
  6. Step 6: Final answer
    x = 180,408.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.