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Finding the Third Proportional to 79,894,165 and 171,922,896

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Solution

The third proportional to 79,894,165 and 171,922,896 is: 369,957,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894,165 : 171,922,896 = 171,922,896 : x
  2. Step 2: Convert to fraction form
    79,894,165/171,922,896 = 171,922,896/x
  3. Step 3: Cross multiply
    79,894,165x = 171,922,896 × 171,922,896
  4. Step 4: Simplify right side
    79,894,165x = 29,557,482,169,026,816
  5. Step 5: Solve for x
    x = 29,557,482,169,026,816/79,894,165
  6. Step 6: Final answer
    x = 369,957,958.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.