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Finding the Third Proportional to 89,308 and 135,110

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Solution

The third proportional to 89,308 and 135,110 is: 204,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,308 : 135,110 = 135,110 : x
  2. Step 2: Convert to fraction form
    89,308/135,110 = 135,110/x
  3. Step 3: Cross multiply
    89,308x = 135,110 × 135,110
  4. Step 4: Simplify right side
    89,308x = 18,254,712,100
  5. Step 5: Solve for x
    x = 18,254,712,100/89,308
  6. Step 6: Final answer
    x = 204,401.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.