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Finding the Third Proportional to 620,625.38 and 1,339,223.20

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Solution

The third proportional to 620,625.38 and 1,339,223.20 is: 2,889,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,625.38 : 1,339,223.20 = 1,339,223.20 : x
  2. Step 2: Convert to fraction form
    620,625.38/1,339,223.20 = 1,339,223.20/x
  3. Step 3: Cross multiply
    620,625.38x = 1,339,223.20 × 1,339,223.20
  4. Step 4: Simplify right side
    620,625.38x = 1,793,518,787,788.39
  5. Step 5: Solve for x
    x = 1,793,518,787,788.39/620,625.38
  6. Step 6: Final answer
    x = 2,889,857.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.