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Finding the Third Proportional to 14,872 and 31,832

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Solution

The third proportional to 14,872 and 31,832 is: 68,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872 : 31,832 = 31,832 : x
  2. Step 2: Convert to fraction form
    14,872/31,832 = 31,832/x
  3. Step 3: Cross multiply
    14,872x = 31,832 × 31,832
  4. Step 4: Simplify right side
    14,872x = 1,013,276,224
  5. Step 5: Solve for x
    x = 1,013,276,224/14,872
  6. Step 6: Final answer
    x = 68,133.15

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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.