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Finding the Third Proportional to 4,600.88 and 9,930.56

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Solution

The third proportional to 4,600.88 and 9,930.56 is: 21,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.88 : 9,930.56 = 9,930.56 : x
  2. Step 2: Convert to fraction form
    4,600.88/9,930.56 = 9,930.56/x
  3. Step 3: Cross multiply
    4,600.88x = 9,930.56 × 9,930.56
  4. Step 4: Simplify right side
    4,600.88x = 98,616,071.57
  5. Step 5: Solve for x
    x = 98,616,071.57/4,600.88
  6. Step 6: Final answer
    x = 21,434.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.