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Finding the Third Proportional to 1,058,389 and 2,286,543

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Solution

The third proportional to 1,058,389 and 2,286,543 is: 4,939,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,389 : 2,286,543 = 2,286,543 : x
  2. Step 2: Convert to fraction form
    1,058,389/2,286,543 = 2,286,543/x
  3. Step 3: Cross multiply
    1,058,389x = 2,286,543 × 2,286,543
  4. Step 4: Simplify right side
    1,058,389x = 5,228,278,890,849
  5. Step 5: Solve for x
    x = 5,228,278,890,849/1,058,389
  6. Step 6: Final answer
    x = 4,939,846.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.