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Finding the Third Proportional to 4,930 and 11,550

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Solution

The third proportional to 4,930 and 11,550 is: 27,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930 : 11,550 = 11,550 : x
  2. Step 2: Convert to fraction form
    4,930/11,550 = 11,550/x
  3. Step 3: Cross multiply
    4,930x = 11,550 × 11,550
  4. Step 4: Simplify right side
    4,930x = 133,402,500
  5. Step 5: Solve for x
    x = 133,402,500/4,930
  6. Step 6: Final answer
    x = 27,059.33

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.