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Finding the Third Proportional to 75,663 and 166,019

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Solution

The third proportional to 75,663 and 166,019 is: 364,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663 : 166,019 = 166,019 : x
  2. Step 2: Convert to fraction form
    75,663/166,019 = 166,019/x
  3. Step 3: Cross multiply
    75,663x = 166,019 × 166,019
  4. Step 4: Simplify right side
    75,663x = 27,562,308,361
  5. Step 5: Solve for x
    x = 27,562,308,361/75,663
  6. Step 6: Final answer
    x = 364,277.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.