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Finding the Third Proportional to 29,916 and 54,972

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Solution

The third proportional to 29,916 and 54,972 is: 101,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916 : 54,972 = 54,972 : x
  2. Step 2: Convert to fraction form
    29,916/54,972 = 54,972/x
  3. Step 3: Cross multiply
    29,916x = 54,972 × 54,972
  4. Step 4: Simplify right side
    29,916x = 3,021,920,784
  5. Step 5: Solve for x
    x = 3,021,920,784/29,916
  6. Step 6: Final answer
    x = 101,013.53

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.