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Finding the Third Proportional to 19,927 and 29,938

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Solution

The third proportional to 19,927 and 29,938 is: 44,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927 : 29,938 = 29,938 : x
  2. Step 2: Convert to fraction form
    19,927/29,938 = 29,938/x
  3. Step 3: Cross multiply
    19,927x = 29,938 × 29,938
  4. Step 4: Simplify right side
    19,927x = 896,283,844
  5. Step 5: Solve for x
    x = 896,283,844/19,927
  6. Step 6: Final answer
    x = 44,978.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.