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Finding the Third Proportional to 89,173 and 122,277.50

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Solution

The third proportional to 89,173 and 122,277.50 is: 167,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173 : 122,277.50 = 122,277.50 : x
  2. Step 2: Convert to fraction form
    89,173/122,277.50 = 122,277.50/x
  3. Step 3: Cross multiply
    89,173x = 122,277.50 × 122,277.50
  4. Step 4: Simplify right side
    89,173x = 14,951,787,006.25
  5. Step 5: Solve for x
    x = 14,951,787,006.25/89,173
  6. Step 6: Final answer
    x = 167,671.68

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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.