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Finding the Third Proportional to 194.63 and 302.63

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Solution

The third proportional to 194.63 and 302.63 is: 470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.63 : 302.63 = 302.63 : x
  2. Step 2: Convert to fraction form
    194.63/302.63 = 302.63/x
  3. Step 3: Cross multiply
    194.63x = 302.63 × 302.63
  4. Step 4: Simplify right side
    194.63x = 91,581.89
  5. Step 5: Solve for x
    x = 91,581.89/194.63
  6. Step 6: Final answer
    x = 470.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.