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Finding the Third Proportional to 4.63 and 9.13

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Solution

The third proportional to 4.63 and 9.13 is: 18.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.63 : 9.13 = 9.13 : x
  2. Step 2: Convert to fraction form
    4.63/9.13 = 9.13/x
  3. Step 3: Cross multiply
    4.63x = 9.13 × 9.13
  4. Step 4: Simplify right side
    4.63x = 83.27
  5. Step 5: Solve for x
    x = 83.27/4.63
  6. Step 6: Final answer
    x = 18.00

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.