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Finding the Third Proportional to 63,399.38 and 135,796.50

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Solution

The third proportional to 63,399.38 and 135,796.50 is: 290,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,399.38 : 135,796.50 = 135,796.50 : x
  2. Step 2: Convert to fraction form
    63,399.38/135,796.50 = 135,796.50/x
  3. Step 3: Cross multiply
    63,399.38x = 135,796.50 × 135,796.50
  4. Step 4: Simplify right side
    63,399.38x = 18,440,689,412.25
  5. Step 5: Solve for x
    x = 18,440,689,412.25/63,399.38
  6. Step 6: Final answer
    x = 290,865.48

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.