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Finding the Third Proportional to 435,302 and 672,603

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Solution

The third proportional to 435,302 and 672,603 is: 1,039,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,302 : 672,603 = 672,603 : x
  2. Step 2: Convert to fraction form
    435,302/672,603 = 672,603/x
  3. Step 3: Cross multiply
    435,302x = 672,603 × 672,603
  4. Step 4: Simplify right side
    435,302x = 452,394,795,609
  5. Step 5: Solve for x
    x = 452,394,795,609/435,302
  6. Step 6: Final answer
    x = 1,039,266.52

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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.