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Finding the Third Proportional to 620,888 and 1,363,698

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Solution

The third proportional to 620,888 and 1,363,698 is: 2,995,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,888 : 1,363,698 = 1,363,698 : x
  2. Step 2: Convert to fraction form
    620,888/1,363,698 = 1,363,698/x
  3. Step 3: Cross multiply
    620,888x = 1,363,698 × 1,363,698
  4. Step 4: Simplify right side
    620,888x = 1,859,672,235,204
  5. Step 5: Solve for x
    x = 1,859,672,235,204/620,888
  6. Step 6: Final answer
    x = 2,995,181.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.