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Finding the Third Proportional to 7,808 and 12,026

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Solution

The third proportional to 7,808 and 12,026 is: 18,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808 : 12,026 = 12,026 : x
  2. Step 2: Convert to fraction form
    7,808/12,026 = 12,026/x
  3. Step 3: Cross multiply
    7,808x = 12,026 × 12,026
  4. Step 4: Simplify right side
    7,808x = 144,624,676
  5. Step 5: Solve for x
    x = 144,624,676/7,808
  6. Step 6: Final answer
    x = 18,522.63

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.