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Finding the Third Proportional to 124.25 and 181.63

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Solution

The third proportional to 124.25 and 181.63 is: 265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.25 : 181.63 = 181.63 : x
  2. Step 2: Convert to fraction form
    124.25/181.63 = 181.63/x
  3. Step 3: Cross multiply
    124.25x = 181.63 × 181.63
  4. Step 4: Simplify right side
    124.25x = 32,987.64
  5. Step 5: Solve for x
    x = 32,987.64/124.25
  6. Step 6: Final answer
    x = 265.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.