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Finding the Third Proportional to 6,931 and 14,845

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Solution

The third proportional to 6,931 and 14,845 is: 31,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931 : 14,845 = 14,845 : x
  2. Step 2: Convert to fraction form
    6,931/14,845 = 14,845/x
  3. Step 3: Cross multiply
    6,931x = 14,845 × 14,845
  4. Step 4: Simplify right side
    6,931x = 220,374,025
  5. Step 5: Solve for x
    x = 220,374,025/6,931
  6. Step 6: Final answer
    x = 31,795.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.