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Finding the Third Proportional to 563,928 and 863,753

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Solution

The third proportional to 563,928 and 863,753 is: 1,322,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,928 : 863,753 = 863,753 : x
  2. Step 2: Convert to fraction form
    563,928/863,753 = 863,753/x
  3. Step 3: Cross multiply
    563,928x = 863,753 × 863,753
  4. Step 4: Simplify right side
    563,928x = 746,069,245,009
  5. Step 5: Solve for x
    x = 746,069,245,009/563,928
  6. Step 6: Final answer
    x = 1,322,986.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.