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Finding the Third Proportional to 363,636 and 777,816

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Solution

The third proportional to 363,636 and 777,816 is: 1,663,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,636 : 777,816 = 777,816 : x
  2. Step 2: Convert to fraction form
    363,636/777,816 = 777,816/x
  3. Step 3: Cross multiply
    363,636x = 777,816 × 777,816
  4. Step 4: Simplify right side
    363,636x = 604,997,729,856
  5. Step 5: Solve for x
    x = 604,997,729,856/363,636
  6. Step 6: Final answer
    x = 1,663,745.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.