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Finding the Third Proportional to 6,982 and 10,465

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Solution

The third proportional to 6,982 and 10,465 is: 15,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982 : 10,465 = 10,465 : x
  2. Step 2: Convert to fraction form
    6,982/10,465 = 10,465/x
  3. Step 3: Cross multiply
    6,982x = 10,465 × 10,465
  4. Step 4: Simplify right side
    6,982x = 109,516,225
  5. Step 5: Solve for x
    x = 109,516,225/6,982
  6. Step 6: Final answer
    x = 15,685.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.