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Finding the Third Proportional to 1,702,800 and 2,636,821

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Solution

The third proportional to 1,702,800 and 2,636,821 is: 4,083,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,800 : 2,636,821 = 2,636,821 : x
  2. Step 2: Convert to fraction form
    1,702,800/2,636,821 = 2,636,821/x
  3. Step 3: Cross multiply
    1,702,800x = 2,636,821 × 2,636,821
  4. Step 4: Simplify right side
    1,702,800x = 6,952,824,986,041
  5. Step 5: Solve for x
    x = 6,952,824,986,041/1,702,800
  6. Step 6: Final answer
    x = 4,083,171.83

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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.