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Finding the Third Proportional to 618,832 and 957,390

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Solution

The third proportional to 618,832 and 957,390 is: 1,481,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,832 : 957,390 = 957,390 : x
  2. Step 2: Convert to fraction form
    618,832/957,390 = 957,390/x
  3. Step 3: Cross multiply
    618,832x = 957,390 × 957,390
  4. Step 4: Simplify right side
    618,832x = 916,595,612,100
  5. Step 5: Solve for x
    x = 916,595,612,100/618,832
  6. Step 6: Final answer
    x = 1,481,170.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.