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Finding the Third Proportional to 644,067 and 946,377

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Solution

The third proportional to 644,067 and 946,377 is: 1,390,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,067 : 946,377 = 946,377 : x
  2. Step 2: Convert to fraction form
    644,067/946,377 = 946,377/x
  3. Step 3: Cross multiply
    644,067x = 946,377 × 946,377
  4. Step 4: Simplify right side
    644,067x = 895,629,426,129
  5. Step 5: Solve for x
    x = 895,629,426,129/644,067
  6. Step 6: Final answer
    x = 1,390,584.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.