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Finding the Third Proportional to 336,499 and 517,218

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Solution

The third proportional to 336,499 and 517,218 is: 794,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,499 : 517,218 = 517,218 : x
  2. Step 2: Convert to fraction form
    336,499/517,218 = 517,218/x
  3. Step 3: Cross multiply
    336,499x = 517,218 × 517,218
  4. Step 4: Simplify right side
    336,499x = 267,514,459,524
  5. Step 5: Solve for x
    x = 267,514,459,524/336,499
  6. Step 6: Final answer
    x = 794,993.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.