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Finding the Third Proportional to 360.50 and 578

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Solution

The third proportional to 360.50 and 578 is: 926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.50 : 578 = 578 : x
  2. Step 2: Convert to fraction form
    360.50/578 = 578/x
  3. Step 3: Cross multiply
    360.50x = 578 × 578
  4. Step 4: Simplify right side
    360.50x = 334,084
  5. Step 5: Solve for x
    x = 334,084/360.50
  6. Step 6: Final answer
    x = 926.72

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.