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Finding the Third Proportional to 58.50 and 112.38

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Solution

The third proportional to 58.50 and 112.38 is: 215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.50 : 112.38 = 112.38 : x
  2. Step 2: Convert to fraction form
    58.50/112.38 = 112.38/x
  3. Step 3: Cross multiply
    58.50x = 112.38 × 112.38
  4. Step 4: Simplify right side
    58.50x = 12,628.14
  5. Step 5: Solve for x
    x = 12,628.14/58.50
  6. Step 6: Final answer
    x = 215.87

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.