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Finding the Third Proportional to 285,468 and 614,788

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Solution

The third proportional to 285,468 and 614,788 is: 1,324,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,468 : 614,788 = 614,788 : x
  2. Step 2: Convert to fraction form
    285,468/614,788 = 614,788/x
  3. Step 3: Cross multiply
    285,468x = 614,788 × 614,788
  4. Step 4: Simplify right side
    285,468x = 377,964,284,944
  5. Step 5: Solve for x
    x = 377,964,284,944/285,468
  6. Step 6: Final answer
    x = 1,324,016.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.