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Finding the Third Proportional to 383.50 and 710

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Solution

The third proportional to 383.50 and 710 is: 1,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.50 : 710 = 710 : x
  2. Step 2: Convert to fraction form
    383.50/710 = 710/x
  3. Step 3: Cross multiply
    383.50x = 710 × 710
  4. Step 4: Simplify right side
    383.50x = 504,100
  5. Step 5: Solve for x
    x = 504,100/383.50
  6. Step 6: Final answer
    x = 1,314.47

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.