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Finding the Third Proportional to 4,906 and 10,739

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Solution

The third proportional to 4,906 and 10,739 is: 23,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906 : 10,739 = 10,739 : x
  2. Step 2: Convert to fraction form
    4,906/10,739 = 10,739/x
  3. Step 3: Cross multiply
    4,906x = 10,739 × 10,739
  4. Step 4: Simplify right side
    4,906x = 115,326,121
  5. Step 5: Solve for x
    x = 115,326,121/4,906
  6. Step 6: Final answer
    x = 23,507.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.