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Finding the Third Proportional to 367.50 and 651

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Solution

The third proportional to 367.50 and 651 is: 1,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.50 : 651 = 651 : x
  2. Step 2: Convert to fraction form
    367.50/651 = 651/x
  3. Step 3: Cross multiply
    367.50x = 651 × 651
  4. Step 4: Simplify right side
    367.50x = 423,801
  5. Step 5: Solve for x
    x = 423,801/367.50
  6. Step 6: Final answer
    x = 1,153.20

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.