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Finding the Third Proportional to 543,670 and 839,745

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Solution

The third proportional to 543,670 and 839,745 is: 1,297,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,670 : 839,745 = 839,745 : x
  2. Step 2: Convert to fraction form
    543,670/839,745 = 839,745/x
  3. Step 3: Cross multiply
    543,670x = 839,745 × 839,745
  4. Step 4: Simplify right side
    543,670x = 705,171,665,025
  5. Step 5: Solve for x
    x = 705,171,665,025/543,670
  6. Step 6: Final answer
    x = 1,297,058.26

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.