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Finding the Third Proportional to 322.75 and 370

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Solution

The third proportional to 322.75 and 370 is: 424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.75 : 370 = 370 : x
  2. Step 2: Convert to fraction form
    322.75/370 = 370/x
  3. Step 3: Cross multiply
    322.75x = 370 × 370
  4. Step 4: Simplify right side
    322.75x = 136,900
  5. Step 5: Solve for x
    x = 136,900/322.75
  6. Step 6: Final answer
    x = 424.17

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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.