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Finding the Third Proportional to 133,132 and 289,592

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Solution

The third proportional to 133,132 and 289,592 is: 629,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,132 : 289,592 = 289,592 : x
  2. Step 2: Convert to fraction form
    133,132/289,592 = 289,592/x
  3. Step 3: Cross multiply
    133,132x = 289,592 × 289,592
  4. Step 4: Simplify right side
    133,132x = 83,863,526,464
  5. Step 5: Solve for x
    x = 83,863,526,464/133,132
  6. Step 6: Final answer
    x = 629,927.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.