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Finding the Third Proportional to 18,372 and 29,582

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Solution

The third proportional to 18,372 and 29,582 is: 47,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372 : 29,582 = 29,582 : x
  2. Step 2: Convert to fraction form
    18,372/29,582 = 29,582/x
  3. Step 3: Cross multiply
    18,372x = 29,582 × 29,582
  4. Step 4: Simplify right side
    18,372x = 875,094,724
  5. Step 5: Solve for x
    x = 875,094,724/18,372
  6. Step 6: Final answer
    x = 47,631.98

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.