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Finding the Third Proportional to 30,136.50 and 63,027

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Solution

The third proportional to 30,136.50 and 63,027 is: 131,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.50 : 63,027 = 63,027 : x
  2. Step 2: Convert to fraction form
    30,136.50/63,027 = 63,027/x
  3. Step 3: Cross multiply
    30,136.50x = 63,027 × 63,027
  4. Step 4: Simplify right side
    30,136.50x = 3,972,402,729
  5. Step 5: Solve for x
    x = 3,972,402,729/30,136.50
  6. Step 6: Final answer
    x = 131,813.67

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.