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Finding the Third Proportional to 874,703 and 1,920,622

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Solution

The third proportional to 874,703 and 1,920,622 is: 4,217,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,703 : 1,920,622 = 1,920,622 : x
  2. Step 2: Convert to fraction form
    874,703/1,920,622 = 1,920,622/x
  3. Step 3: Cross multiply
    874,703x = 1,920,622 × 1,920,622
  4. Step 4: Simplify right side
    874,703x = 3,688,788,866,884
  5. Step 5: Solve for x
    x = 3,688,788,866,884/874,703
  6. Step 6: Final answer
    x = 4,217,190.14

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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.