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Finding the Third Proportional to 322.59 and 461.95

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Solution

The third proportional to 322.59 and 461.95 is: 661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.59 : 461.95 = 461.95 : x
  2. Step 2: Convert to fraction form
    322.59/461.95 = 461.95/x
  3. Step 3: Cross multiply
    322.59x = 461.95 × 461.95
  4. Step 4: Simplify right side
    322.59x = 213,400.69
  5. Step 5: Solve for x
    x = 213,400.69/322.59
  6. Step 6: Final answer
    x = 661.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.