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Finding the Third Proportional to 62,811 and 135,469.50

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Solution

The third proportional to 62,811 and 135,469.50 is: 292,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811 : 135,469.50 = 135,469.50 : x
  2. Step 2: Convert to fraction form
    62,811/135,469.50 = 135,469.50/x
  3. Step 3: Cross multiply
    62,811x = 135,469.50 × 135,469.50
  4. Step 4: Simplify right side
    62,811x = 18,351,985,430.25
  5. Step 5: Solve for x
    x = 18,351,985,430.25/62,811
  6. Step 6: Final answer
    x = 292,177.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.