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Finding the Third Proportional to 193.63 and 423.88

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Solution

The third proportional to 193.63 and 423.88 is: 927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.63 : 423.88 = 423.88 : x
  2. Step 2: Convert to fraction form
    193.63/423.88 = 423.88/x
  3. Step 3: Cross multiply
    193.63x = 423.88 × 423.88
  4. Step 4: Simplify right side
    193.63x = 179,670.02
  5. Step 5: Solve for x
    x = 179,670.02/193.63
  6. Step 6: Final answer
    x = 927.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.