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Finding the Third Proportional to 58.54 and 84.33

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Solution

The third proportional to 58.54 and 84.33 is: 121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.54 : 84.33 = 84.33 : x
  2. Step 2: Convert to fraction form
    58.54/84.33 = 84.33/x
  3. Step 3: Cross multiply
    58.54x = 84.33 × 84.33
  4. Step 4: Simplify right side
    58.54x = 7,111.23
  5. Step 5: Solve for x
    x = 7,111.23/58.54
  6. Step 6: Final answer
    x = 121.48

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.