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Finding the Third Proportional to 155.63 and 337.88

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Solution

The third proportional to 155.63 and 337.88 is: 733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.63 : 337.88 = 337.88 : x
  2. Step 2: Convert to fraction form
    155.63/337.88 = 337.88/x
  3. Step 3: Cross multiply
    155.63x = 337.88 × 337.88
  4. Step 4: Simplify right side
    155.63x = 114,159.52
  5. Step 5: Solve for x
    x = 114,159.52/155.63
  6. Step 6: Final answer
    x = 733.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.