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Finding the Third Proportional to 331,326 and 715,546

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Solution

The third proportional to 331,326 and 715,546 is: 1,545,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,326 : 715,546 = 715,546 : x
  2. Step 2: Convert to fraction form
    331,326/715,546 = 715,546/x
  3. Step 3: Cross multiply
    331,326x = 715,546 × 715,546
  4. Step 4: Simplify right side
    331,326x = 512,006,078,116
  5. Step 5: Solve for x
    x = 512,006,078,116/331,326
  6. Step 6: Final answer
    x = 1,545,324.18

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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.