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Finding the Third Proportional to 19,372 and 29,934

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Solution

The third proportional to 19,372 and 29,934 is: 46,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372 : 29,934 = 29,934 : x
  2. Step 2: Convert to fraction form
    19,372/29,934 = 29,934/x
  3. Step 3: Cross multiply
    19,372x = 29,934 × 29,934
  4. Step 4: Simplify right side
    19,372x = 896,044,356
  5. Step 5: Solve for x
    x = 896,044,356/19,372
  6. Step 6: Final answer
    x = 46,254.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.