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Finding the Third Proportional to 385.50 and 592.75

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Solution

The third proportional to 385.50 and 592.75 is: 911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.50 : 592.75 = 592.75 : x
  2. Step 2: Convert to fraction form
    385.50/592.75 = 592.75/x
  3. Step 3: Cross multiply
    385.50x = 592.75 × 592.75
  4. Step 4: Simplify right side
    385.50x = 351,352.56
  5. Step 5: Solve for x
    x = 351,352.56/385.50
  6. Step 6: Final answer
    x = 911.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.