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Finding the Third Proportional to 88,809 and 135,855

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Solution

The third proportional to 88,809 and 135,855 is: 207,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,809 : 135,855 = 135,855 : x
  2. Step 2: Convert to fraction form
    88,809/135,855 = 135,855/x
  3. Step 3: Cross multiply
    88,809x = 135,855 × 135,855
  4. Step 4: Simplify right side
    88,809x = 18,456,581,025
  5. Step 5: Solve for x
    x = 18,456,581,025/88,809
  6. Step 6: Final answer
    x = 207,823.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.