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Finding the Third Proportional to 164,147 and 352,816

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Solution

The third proportional to 164,147 and 352,816 is: 758,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,147 : 352,816 = 352,816 : x
  2. Step 2: Convert to fraction form
    164,147/352,816 = 352,816/x
  3. Step 3: Cross multiply
    164,147x = 352,816 × 352,816
  4. Step 4: Simplify right side
    164,147x = 124,479,129,856
  5. Step 5: Solve for x
    x = 124,479,129,856/164,147
  6. Step 6: Final answer
    x = 758,339.35

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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.