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Finding the Third Proportional to 73,640.39 and 112,600.60

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Solution

The third proportional to 73,640.39 and 112,600.60 is: 172,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.39 : 112,600.60 = 112,600.60 : x
  2. Step 2: Convert to fraction form
    73,640.39/112,600.60 = 112,600.60/x
  3. Step 3: Cross multiply
    73,640.39x = 112,600.60 × 112,600.60
  4. Step 4: Simplify right side
    73,640.39x = 12,678,895,032.39
  5. Step 5: Solve for x
    x = 12,678,895,032.39/73,640.39
  6. Step 6: Final answer
    x = 172,173.11

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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.