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Finding the Third Proportional to 7,354 and 12,982

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Solution

The third proportional to 7,354 and 12,982 is: 22,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354 : 12,982 = 12,982 : x
  2. Step 2: Convert to fraction form
    7,354/12,982 = 12,982/x
  3. Step 3: Cross multiply
    7,354x = 12,982 × 12,982
  4. Step 4: Simplify right side
    7,354x = 168,532,324
  5. Step 5: Solve for x
    x = 168,532,324/7,354
  6. Step 6: Final answer
    x = 22,917.10

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.