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Finding the Third Proportional to 2,172,902.63 and 3,363,006.94

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Solution

The third proportional to 2,172,902.63 and 3,363,006.94 is: 5,204,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,902.63 : 3,363,006.94 = 3,363,006.94 : x
  2. Step 2: Convert to fraction form
    2,172,902.63/3,363,006.94 = 3,363,006.94/x
  3. Step 3: Cross multiply
    2,172,902.63x = 3,363,006.94 × 3,363,006.94
  4. Step 4: Simplify right side
    2,172,902.63x = 11,309,815,661,673.13
  5. Step 5: Solve for x
    x = 11,309,815,661,673.13/2,172,902.63
  6. Step 6: Final answer
    x = 5,204,934.42

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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.