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Finding the Third Proportional to 519.38 and 714.94

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Solution

The third proportional to 519.38 and 714.94 is: 984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.38 : 714.94 = 714.94 : x
  2. Step 2: Convert to fraction form
    519.38/714.94 = 714.94/x
  3. Step 3: Cross multiply
    519.38x = 714.94 × 714.94
  4. Step 4: Simplify right side
    519.38x = 511,135.63
  5. Step 5: Solve for x
    x = 511,135.63/519.38
  6. Step 6: Final answer
    x = 984.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.