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Finding the Third Proportional to 519 and 747

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Solution

The third proportional to 519 and 747 is: 1,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    519 : 747 = 747 : x
  2. Step 2: Convert to fraction form
    519/747 = 747/x
  3. Step 3: Cross multiply
    519x = 747 × 747
  4. Step 4: Simplify right side
    519x = 558,009
  5. Step 5: Solve for x
    x = 558,009/519
  6. Step 6: Final answer
    x = 1,075.16

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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.