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Finding the Third Proportional to 332,355 and 515,603

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Solution

The third proportional to 332,355 and 515,603 is: 799,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,355 : 515,603 = 515,603 : x
  2. Step 2: Convert to fraction form
    332,355/515,603 = 515,603/x
  3. Step 3: Cross multiply
    332,355x = 515,603 × 515,603
  4. Step 4: Simplify right side
    332,355x = 265,846,453,609
  5. Step 5: Solve for x
    x = 265,846,453,609/332,355
  6. Step 6: Final answer
    x = 799,887.03

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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.