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Finding the Third Proportional to 99,174 and 153,135

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Solution

The third proportional to 99,174 and 153,135 is: 236,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,174 : 153,135 = 153,135 : x
  2. Step 2: Convert to fraction form
    99,174/153,135 = 153,135/x
  3. Step 3: Cross multiply
    99,174x = 153,135 × 153,135
  4. Step 4: Simplify right side
    99,174x = 23,450,328,225
  5. Step 5: Solve for x
    x = 23,450,328,225/99,174
  6. Step 6: Final answer
    x = 236,456.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.