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Finding the Third Proportional to 361,149 and 777,798

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Solution

The third proportional to 361,149 and 777,798 is: 1,675,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,149 : 777,798 = 777,798 : x
  2. Step 2: Convert to fraction form
    361,149/777,798 = 777,798/x
  3. Step 3: Cross multiply
    361,149x = 777,798 × 777,798
  4. Step 4: Simplify right side
    361,149x = 604,969,728,804
  5. Step 5: Solve for x
    x = 604,969,728,804/361,149
  6. Step 6: Final answer
    x = 1,675,125.03

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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.