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Finding the Third Proportional to 173,458 and 378,352

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Solution

The third proportional to 173,458 and 378,352 is: 825,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,458 : 378,352 = 378,352 : x
  2. Step 2: Convert to fraction form
    173,458/378,352 = 378,352/x
  3. Step 3: Cross multiply
    173,458x = 378,352 × 378,352
  4. Step 4: Simplify right side
    173,458x = 143,150,235,904
  5. Step 5: Solve for x
    x = 143,150,235,904/173,458
  6. Step 6: Final answer
    x = 825,273.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.