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Finding the Third Proportional to 76.13 and 200.16

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Solution

The third proportional to 76.13 and 200.16 is: 526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.13 : 200.16 = 200.16 : x
  2. Step 2: Convert to fraction form
    76.13/200.16 = 200.16/x
  3. Step 3: Cross multiply
    76.13x = 200.16 × 200.16
  4. Step 4: Simplify right side
    76.13x = 40,062.52
  5. Step 5: Solve for x
    x = 40,062.52/76.13
  6. Step 6: Final answer
    x = 526.27

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.