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Finding the Third Proportional to 100,238.50 and 133,773

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Solution

The third proportional to 100,238.50 and 133,773 is: 178,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,238.50 : 133,773 = 133,773 : x
  2. Step 2: Convert to fraction form
    100,238.50/133,773 = 133,773/x
  3. Step 3: Cross multiply
    100,238.50x = 133,773 × 133,773
  4. Step 4: Simplify right side
    100,238.50x = 17,895,215,529
  5. Step 5: Solve for x
    x = 17,895,215,529/100,238.50
  6. Step 6: Final answer
    x = 178,526.37

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.