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Finding the Third Proportional to 101,930 and 149,892

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Solution

The third proportional to 101,930 and 149,892 is: 220,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,930 : 149,892 = 149,892 : x
  2. Step 2: Convert to fraction form
    101,930/149,892 = 149,892/x
  3. Step 3: Cross multiply
    101,930x = 149,892 × 149,892
  4. Step 4: Simplify right side
    101,930x = 22,467,611,664
  5. Step 5: Solve for x
    x = 22,467,611,664/101,930
  6. Step 6: Final answer
    x = 220,421.97

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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.