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Finding the Third Proportional to 72,696 and 155,901

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Solution

The third proportional to 72,696 and 155,901 is: 334,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,696 : 155,901 = 155,901 : x
  2. Step 2: Convert to fraction form
    72,696/155,901 = 155,901/x
  3. Step 3: Cross multiply
    72,696x = 155,901 × 155,901
  4. Step 4: Simplify right side
    72,696x = 24,305,121,801
  5. Step 5: Solve for x
    x = 24,305,121,801/72,696
  6. Step 6: Final answer
    x = 334,339.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.