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Finding the Third Proportional to 2,629 and 4,842

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Solution

The third proportional to 2,629 and 4,842 is: 8,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629 : 4,842 = 4,842 : x
  2. Step 2: Convert to fraction form
    2,629/4,842 = 4,842/x
  3. Step 3: Cross multiply
    2,629x = 4,842 × 4,842
  4. Step 4: Simplify right side
    2,629x = 23,444,964
  5. Step 5: Solve for x
    x = 23,444,964/2,629
  6. Step 6: Final answer
    x = 8,917.83

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.