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Finding the Third Proportional to 356.91 and 535.36

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Solution

The third proportional to 356.91 and 535.36 is: 803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.91 : 535.36 = 535.36 : x
  2. Step 2: Convert to fraction form
    356.91/535.36 = 535.36/x
  3. Step 3: Cross multiply
    356.91x = 535.36 × 535.36
  4. Step 4: Simplify right side
    356.91x = 286,609.66
  5. Step 5: Solve for x
    x = 286,609.66/356.91
  6. Step 6: Final answer
    x = 803.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.