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Finding the Third Proportional to 14,179 and 31,085

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Solution

The third proportional to 14,179 and 31,085 is: 68,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179 : 31,085 = 31,085 : x
  2. Step 2: Convert to fraction form
    14,179/31,085 = 31,085/x
  3. Step 3: Cross multiply
    14,179x = 31,085 × 31,085
  4. Step 4: Simplify right side
    14,179x = 966,277,225
  5. Step 5: Solve for x
    x = 966,277,225/14,179
  6. Step 6: Final answer
    x = 68,148.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.