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Finding the Third Proportional to 12,604 and 19,974

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Solution

The third proportional to 12,604 and 19,974 is: 31,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604 : 19,974 = 19,974 : x
  2. Step 2: Convert to fraction form
    12,604/19,974 = 19,974/x
  3. Step 3: Cross multiply
    12,604x = 19,974 × 19,974
  4. Step 4: Simplify right side
    12,604x = 398,960,676
  5. Step 5: Solve for x
    x = 398,960,676/12,604
  6. Step 6: Final answer
    x = 31,653.50

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.