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Finding the Third Proportional to 58.75 and 123.44

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Solution

The third proportional to 58.75 and 123.44 is: 259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.75 : 123.44 = 123.44 : x
  2. Step 2: Convert to fraction form
    58.75/123.44 = 123.44/x
  3. Step 3: Cross multiply
    58.75x = 123.44 × 123.44
  4. Step 4: Simplify right side
    58.75x = 15,236.82
  5. Step 5: Solve for x
    x = 15,236.82/58.75
  6. Step 6: Final answer
    x = 259.35

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.