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Finding the Third Proportional to 620,186 and 1,339,508

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Solution

The third proportional to 620,186 and 1,339,508 is: 2,893,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,186 : 1,339,508 = 1,339,508 : x
  2. Step 2: Convert to fraction form
    620,186/1,339,508 = 1,339,508/x
  3. Step 3: Cross multiply
    620,186x = 1,339,508 × 1,339,508
  4. Step 4: Simplify right side
    620,186x = 1,794,281,682,064
  5. Step 5: Solve for x
    x = 1,794,281,682,064/620,186
  6. Step 6: Final answer
    x = 2,893,134.77

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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.