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Finding the Third Proportional to 4,751 and 9,955

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Solution

The third proportional to 4,751 and 9,955 is: 20,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751 : 9,955 = 9,955 : x
  2. Step 2: Convert to fraction form
    4,751/9,955 = 9,955/x
  3. Step 3: Cross multiply
    4,751x = 9,955 × 9,955
  4. Step 4: Simplify right side
    4,751x = 99,102,025
  5. Step 5: Solve for x
    x = 99,102,025/4,751
  6. Step 6: Final answer
    x = 20,859.19

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.