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Finding the Third Proportional to 2,920,562 and 6,391,698

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Solution

The third proportional to 2,920,562 and 6,391,698 is: 13,988,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,562 : 6,391,698 = 6,391,698 : x
  2. Step 2: Convert to fraction form
    2,920,562/6,391,698 = 6,391,698/x
  3. Step 3: Cross multiply
    2,920,562x = 6,391,698 × 6,391,698
  4. Step 4: Simplify right side
    2,920,562x = 40,853,803,323,204
  5. Step 5: Solve for x
    x = 40,853,803,323,204/2,920,562
  6. Step 6: Final answer
    x = 13,988,336.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.