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Finding the Third Proportional to 14,639 and 34,519

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Solution

The third proportional to 14,639 and 34,519 is: 81,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639 : 34,519 = 34,519 : x
  2. Step 2: Convert to fraction form
    14,639/34,519 = 34,519/x
  3. Step 3: Cross multiply
    14,639x = 34,519 × 34,519
  4. Step 4: Simplify right side
    14,639x = 1,191,561,361
  5. Step 5: Solve for x
    x = 1,191,561,361/14,639
  6. Step 6: Final answer
    x = 81,396.36

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.