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Finding the Third Proportional to 130.03 and 201.52

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Solution

The third proportional to 130.03 and 201.52 is: 312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.03 : 201.52 = 201.52 : x
  2. Step 2: Convert to fraction form
    130.03/201.52 = 201.52/x
  3. Step 3: Cross multiply
    130.03x = 201.52 × 201.52
  4. Step 4: Simplify right side
    130.03x = 40,608.55
  5. Step 5: Solve for x
    x = 40,608.55/130.03
  6. Step 6: Final answer
    x = 312.30

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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.