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Finding the Third Proportional to 134.63 and 291.75

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Solution

The third proportional to 134.63 and 291.75 is: 632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.63 : 291.75 = 291.75 : x
  2. Step 2: Convert to fraction form
    134.63/291.75 = 291.75/x
  3. Step 3: Cross multiply
    134.63x = 291.75 × 291.75
  4. Step 4: Simplify right side
    134.63x = 85,118.06
  5. Step 5: Solve for x
    x = 85,118.06/134.63
  6. Step 6: Final answer
    x = 632.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.