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Finding the Third Proportional to 301,147 and 401,479

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Solution

The third proportional to 301,147 and 401,479 is: 535,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,147 : 401,479 = 401,479 : x
  2. Step 2: Convert to fraction form
    301,147/401,479 = 401,479/x
  3. Step 3: Cross multiply
    301,147x = 401,479 × 401,479
  4. Step 4: Simplify right side
    301,147x = 161,185,387,441
  5. Step 5: Solve for x
    x = 161,185,387,441/301,147
  6. Step 6: Final answer
    x = 535,238.23

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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.