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Finding the Third Proportional to 56.44 and 130.88

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Solution

The third proportional to 56.44 and 130.88 is: 303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.44 : 130.88 = 130.88 : x
  2. Step 2: Convert to fraction form
    56.44/130.88 = 130.88/x
  3. Step 3: Cross multiply
    56.44x = 130.88 × 130.88
  4. Step 4: Simplify right side
    56.44x = 17,128.27
  5. Step 5: Solve for x
    x = 17,128.27/56.44
  6. Step 6: Final answer
    x = 303.49

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.