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Finding the Third Proportional to 167,179,072 and 258,221,856

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Solution

The third proportional to 167,179,072 and 258,221,856 is: 398,844,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,179,072 : 258,221,856 = 258,221,856 : x
  2. Step 2: Convert to fraction form
    167,179,072/258,221,856 = 258,221,856/x
  3. Step 3: Cross multiply
    167,179,072x = 258,221,856 × 258,221,856
  4. Step 4: Simplify right side
    167,179,072x = 66,678,526,916,084,736
  5. Step 5: Solve for x
    x = 66,678,526,916,084,736/167,179,072
  6. Step 6: Final answer
    x = 398,844,939.85

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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.