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Finding the Third Proportional to 620,132 and 930,198

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Solution

The third proportional to 620,132 and 930,198 is: 1,395,297

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,132 : 930,198 = 930,198 : x
  2. Step 2: Convert to fraction form
    620,132/930,198 = 930,198/x
  3. Step 3: Cross multiply
    620,132x = 930,198 × 930,198
  4. Step 4: Simplify right side
    620,132x = 865,268,319,204
  5. Step 5: Solve for x
    x = 865,268,319,204/620,132
  6. Step 6: Final answer
    x = 1,395,297

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.