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Finding the Third Proportional to 389.50 and 595

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Solution

The third proportional to 389.50 and 595 is: 908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389.50 : 595 = 595 : x
  2. Step 2: Convert to fraction form
    389.50/595 = 595/x
  3. Step 3: Cross multiply
    389.50x = 595 × 595
  4. Step 4: Simplify right side
    389.50x = 354,025
  5. Step 5: Solve for x
    x = 354,025/389.50
  6. Step 6: Final answer
    x = 908.92

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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.