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Finding the Third Proportional to 89,199 and 122,316.75

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Solution

The third proportional to 89,199 and 122,316.75 is: 167,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199 : 122,316.75 = 122,316.75 : x
  2. Step 2: Convert to fraction form
    89,199/122,316.75 = 122,316.75/x
  3. Step 3: Cross multiply
    89,199x = 122,316.75 × 122,316.75
  4. Step 4: Simplify right side
    89,199x = 14,961,387,330.56
  5. Step 5: Solve for x
    x = 14,961,387,330.56/89,199
  6. Step 6: Final answer
    x = 167,730.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.