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Finding the Third Proportional to 1,995,391.97 and 3,042,909.28

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Solution

The third proportional to 1,995,391.97 and 3,042,909.28 is: 4,640,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,391.97 : 3,042,909.28 = 3,042,909.28 : x
  2. Step 2: Convert to fraction form
    1,995,391.97/3,042,909.28 = 3,042,909.28/x
  3. Step 3: Cross multiply
    1,995,391.97x = 3,042,909.28 × 3,042,909.28
  4. Step 4: Simplify right side
    1,995,391.97x = 9,259,296,893,917.39
  5. Step 5: Solve for x
    x = 9,259,296,893,917.39/1,995,391.97
  6. Step 6: Final answer
    x = 4,640,339.86

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.