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Finding the Third Proportional to 18,751 and 29,072

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Solution

The third proportional to 18,751 and 29,072 is: 45,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751 : 29,072 = 29,072 : x
  2. Step 2: Convert to fraction form
    18,751/29,072 = 29,072/x
  3. Step 3: Cross multiply
    18,751x = 29,072 × 29,072
  4. Step 4: Simplify right side
    18,751x = 845,181,184
  5. Step 5: Solve for x
    x = 845,181,184/18,751
  6. Step 6: Final answer
    x = 45,073.93

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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.