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Finding the Third Proportional to 305,704 and 407,714

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Solution

The third proportional to 305,704 and 407,714 is: 543,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704 : 407,714 = 407,714 : x
  2. Step 2: Convert to fraction form
    305,704/407,714 = 407,714/x
  3. Step 3: Cross multiply
    305,704x = 407,714 × 407,714
  4. Step 4: Simplify right side
    305,704x = 166,230,705,796
  5. Step 5: Solve for x
    x = 166,230,705,796/305,704
  6. Step 6: Final answer
    x = 543,763.59

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.