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Finding the Third Proportional to 63,130 and 135,126

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Solution

The third proportional to 63,130 and 135,126 is: 289,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130 : 135,126 = 135,126 : x
  2. Step 2: Convert to fraction form
    63,130/135,126 = 135,126/x
  3. Step 3: Cross multiply
    63,130x = 135,126 × 135,126
  4. Step 4: Simplify right side
    63,130x = 18,259,035,876
  5. Step 5: Solve for x
    x = 18,259,035,876/63,130
  6. Step 6: Final answer
    x = 289,229.14

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Why These Related Problems?

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