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Finding the Third Proportional to 233.63 and 353.69

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Solution

The third proportional to 233.63 and 353.69 is: 535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.63 : 353.69 = 353.69 : x
  2. Step 2: Convert to fraction form
    233.63/353.69 = 353.69/x
  3. Step 3: Cross multiply
    233.63x = 353.69 × 353.69
  4. Step 4: Simplify right side
    233.63x = 125,094.85
  5. Step 5: Solve for x
    x = 125,094.85/233.63
  6. Step 6: Final answer
    x = 535.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.