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Finding the Third Proportional to 85,501 and 127,771.75

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Solution

The third proportional to 85,501 and 127,771.75 is: 190,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,501 : 127,771.75 = 127,771.75 : x
  2. Step 2: Convert to fraction form
    85,501/127,771.75 = 127,771.75/x
  3. Step 3: Cross multiply
    85,501x = 127,771.75 × 127,771.75
  4. Step 4: Simplify right side
    85,501x = 16,325,620,098.06
  5. Step 5: Solve for x
    x = 16,325,620,098.06/85,501
  6. Step 6: Final answer
    x = 190,940.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.