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Finding the Third Proportional to 97,405 and 146,109

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Solution

The third proportional to 97,405 and 146,109 is: 219,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,405 : 146,109 = 146,109 : x
  2. Step 2: Convert to fraction form
    97,405/146,109 = 146,109/x
  3. Step 3: Cross multiply
    97,405x = 146,109 × 146,109
  4. Step 4: Simplify right side
    97,405x = 21,347,839,881
  5. Step 5: Solve for x
    x = 21,347,839,881/97,405
  6. Step 6: Final answer
    x = 219,165.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.