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Finding the Third Proportional to 506.50 and 717

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Solution

The third proportional to 506.50 and 717 is: 1,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.50 : 717 = 717 : x
  2. Step 2: Convert to fraction form
    506.50/717 = 717/x
  3. Step 3: Cross multiply
    506.50x = 717 × 717
  4. Step 4: Simplify right side
    506.50x = 514,089
  5. Step 5: Solve for x
    x = 514,089/506.50
  6. Step 6: Final answer
    x = 1,014.98

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.