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Finding the Third Proportional to 358.88 and 527.63

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Solution

The third proportional to 358.88 and 527.63 is: 775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.88 : 527.63 = 527.63 : x
  2. Step 2: Convert to fraction form
    358.88/527.63 = 527.63/x
  3. Step 3: Cross multiply
    358.88x = 527.63 × 527.63
  4. Step 4: Simplify right side
    358.88x = 278,388.14
  5. Step 5: Solve for x
    x = 278,388.14/358.88
  6. Step 6: Final answer
    x = 775.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.