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Finding the Third Proportional to 58.50 and 151

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Solution

The third proportional to 58.50 and 151 is: 389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.50 : 151 = 151 : x
  2. Step 2: Convert to fraction form
    58.50/151 = 151/x
  3. Step 3: Cross multiply
    58.50x = 151 × 151
  4. Step 4: Simplify right side
    58.50x = 22,801
  5. Step 5: Solve for x
    x = 22,801/58.50
  6. Step 6: Final answer
    x = 389.76

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Why These Related Problems?

These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.