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Finding the Third Proportional to 11,931 and 26,907

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Solution

The third proportional to 11,931 and 26,907 is: 60,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931 : 26,907 = 26,907 : x
  2. Step 2: Convert to fraction form
    11,931/26,907 = 26,907/x
  3. Step 3: Cross multiply
    11,931x = 26,907 × 26,907
  4. Step 4: Simplify right side
    11,931x = 723,986,649
  5. Step 5: Solve for x
    x = 723,986,649/11,931
  6. Step 6: Final answer
    x = 60,681.14

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.