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Finding the Third Proportional to 322.50 and 575

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Solution

The third proportional to 322.50 and 575 is: 1,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.50 : 575 = 575 : x
  2. Step 2: Convert to fraction form
    322.50/575 = 575/x
  3. Step 3: Cross multiply
    322.50x = 575 × 575
  4. Step 4: Simplify right side
    322.50x = 330,625
  5. Step 5: Solve for x
    x = 330,625/322.50
  6. Step 6: Final answer
    x = 1,025.19

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.