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Finding the Third Proportional to 101,898 and 149,715

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Solution

The third proportional to 101,898 and 149,715 is: 219,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,898 : 149,715 = 149,715 : x
  2. Step 2: Convert to fraction form
    101,898/149,715 = 149,715/x
  3. Step 3: Cross multiply
    101,898x = 149,715 × 149,715
  4. Step 4: Simplify right side
    101,898x = 22,414,581,225
  5. Step 5: Solve for x
    x = 22,414,581,225/101,898
  6. Step 6: Final answer
    x = 219,970.77

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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.