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Finding the Third Proportional to 379,054 and 817,154

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Solution

The third proportional to 379,054 and 817,154 is: 1,761,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,054 : 817,154 = 817,154 : x
  2. Step 2: Convert to fraction form
    379,054/817,154 = 817,154/x
  3. Step 3: Cross multiply
    379,054x = 817,154 × 817,154
  4. Step 4: Simplify right side
    379,054x = 667,740,659,716
  5. Step 5: Solve for x
    x = 667,740,659,716/379,054
  6. Step 6: Final answer
    x = 1,761,597.71

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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.