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Finding the Third Proportional to 355.13 and 588.56

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Solution

The third proportional to 355.13 and 588.56 is: 975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.13 : 588.56 = 588.56 : x
  2. Step 2: Convert to fraction form
    355.13/588.56 = 588.56/x
  3. Step 3: Cross multiply
    355.13x = 588.56 × 588.56
  4. Step 4: Simplify right side
    355.13x = 346,405.82
  5. Step 5: Solve for x
    x = 346,405.82/355.13
  6. Step 6: Final answer
    x = 975.45

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.