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Finding the Third Proportional to 7,167 and 14,988

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Solution

The third proportional to 7,167 and 14,988 is: 31,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167 : 14,988 = 14,988 : x
  2. Step 2: Convert to fraction form
    7,167/14,988 = 14,988/x
  3. Step 3: Cross multiply
    7,167x = 14,988 × 14,988
  4. Step 4: Simplify right side
    7,167x = 224,640,144
  5. Step 5: Solve for x
    x = 224,640,144/7,167
  6. Step 6: Final answer
    x = 31,343.68

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.