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Finding the Third Proportional to 90,437 and 133,041

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Solution

The third proportional to 90,437 and 133,041 is: 195,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,437 : 133,041 = 133,041 : x
  2. Step 2: Convert to fraction form
    90,437/133,041 = 133,041/x
  3. Step 3: Cross multiply
    90,437x = 133,041 × 133,041
  4. Step 4: Simplify right side
    90,437x = 17,699,907,681
  5. Step 5: Solve for x
    x = 17,699,907,681/90,437
  6. Step 6: Final answer
    x = 195,715.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.