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Finding the Third Proportional to 118,549.50 and 181,771.50

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Solution

The third proportional to 118,549.50 and 181,771.50 is: 278,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,549.50 : 181,771.50 = 181,771.50 : x
  2. Step 2: Convert to fraction form
    118,549.50/181,771.50 = 181,771.50/x
  3. Step 3: Cross multiply
    118,549.50x = 181,771.50 × 181,771.50
  4. Step 4: Simplify right side
    118,549.50x = 33,040,878,212.25
  5. Step 5: Solve for x
    x = 33,040,878,212.25/118,549.50
  6. Step 6: Final answer
    x = 278,709.55

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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.