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Finding the Third Proportional to 368.50 and 743

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Solution

The third proportional to 368.50 and 743 is: 1,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.50 : 743 = 743 : x
  2. Step 2: Convert to fraction form
    368.50/743 = 743/x
  3. Step 3: Cross multiply
    368.50x = 743 × 743
  4. Step 4: Simplify right side
    368.50x = 552,049
  5. Step 5: Solve for x
    x = 552,049/368.50
  6. Step 6: Final answer
    x = 1,498.10

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.