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Finding the Third Proportional to 618,452 and 1,330,397

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Solution

The third proportional to 618,452 and 1,330,397 is: 2,861,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,452 : 1,330,397 = 1,330,397 : x
  2. Step 2: Convert to fraction form
    618,452/1,330,397 = 1,330,397/x
  3. Step 3: Cross multiply
    618,452x = 1,330,397 × 1,330,397
  4. Step 4: Simplify right side
    618,452x = 1,769,956,177,609
  5. Step 5: Solve for x
    x = 1,769,956,177,609/618,452
  6. Step 6: Final answer
    x = 2,861,913.58

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.