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Finding the Third Proportional to 79,432,974 and 171,412,092

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Solution

The third proportional to 79,432,974 and 171,412,092 is: 369,898,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432,974 : 171,412,092 = 171,412,092 : x
  2. Step 2: Convert to fraction form
    79,432,974/171,412,092 = 171,412,092/x
  3. Step 3: Cross multiply
    79,432,974x = 171,412,092 × 171,412,092
  4. Step 4: Simplify right side
    79,432,974x = 29,382,105,283,816,464
  5. Step 5: Solve for x
    x = 29,382,105,283,816,464/79,432,974
  6. Step 6: Final answer
    x = 369,898,088.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.