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Finding the Third Proportional to 355,171 and 760,787

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Solution

The third proportional to 355,171 and 760,787 is: 1,629,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,171 : 760,787 = 760,787 : x
  2. Step 2: Convert to fraction form
    355,171/760,787 = 760,787/x
  3. Step 3: Cross multiply
    355,171x = 760,787 × 760,787
  4. Step 4: Simplify right side
    355,171x = 578,796,859,369
  5. Step 5: Solve for x
    x = 578,796,859,369/355,171
  6. Step 6: Final answer
    x = 1,629,628.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.