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Finding the Third Proportional to 578,022 and 920,542

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Solution

The third proportional to 578,022 and 920,542 is: 1,466,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,022 : 920,542 = 920,542 : x
  2. Step 2: Convert to fraction form
    578,022/920,542 = 920,542/x
  3. Step 3: Cross multiply
    578,022x = 920,542 × 920,542
  4. Step 4: Simplify right side
    578,022x = 847,397,573,764
  5. Step 5: Solve for x
    x = 847,397,573,764/578,022
  6. Step 6: Final answer
    x = 1,466,029.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.