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Finding the Third Proportional to 7,944 and 13,036

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Solution

The third proportional to 7,944 and 13,036 is: 21,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944 : 13,036 = 13,036 : x
  2. Step 2: Convert to fraction form
    7,944/13,036 = 13,036/x
  3. Step 3: Cross multiply
    7,944x = 13,036 × 13,036
  4. Step 4: Simplify right side
    7,944x = 169,937,296
  5. Step 5: Solve for x
    x = 169,937,296/7,944
  6. Step 6: Final answer
    x = 21,391.91

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.