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Finding the Third Proportional to 368 and 504.50

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Solution

The third proportional to 368 and 504.50 is: 691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368 : 504.50 = 504.50 : x
  2. Step 2: Convert to fraction form
    368/504.50 = 504.50/x
  3. Step 3: Cross multiply
    368x = 504.50 × 504.50
  4. Step 4: Simplify right side
    368x = 254,520.25
  5. Step 5: Solve for x
    x = 254,520.25/368
  6. Step 6: Final answer
    x = 691.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.