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Finding the Third Proportional to 394,166 and 864,633

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Solution

The third proportional to 394,166 and 864,633 is: 1,896,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,166 : 864,633 = 864,633 : x
  2. Step 2: Convert to fraction form
    394,166/864,633 = 864,633/x
  3. Step 3: Cross multiply
    394,166x = 864,633 × 864,633
  4. Step 4: Simplify right side
    394,166x = 747,590,224,689
  5. Step 5: Solve for x
    x = 747,590,224,689/394,166
  6. Step 6: Final answer
    x = 1,896,638.03

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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.