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Finding the Third Proportional to 7,860 and 17,022

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Solution

The third proportional to 7,860 and 17,022 is: 36,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860 : 17,022 = 17,022 : x
  2. Step 2: Convert to fraction form
    7,860/17,022 = 17,022/x
  3. Step 3: Cross multiply
    7,860x = 17,022 × 17,022
  4. Step 4: Simplify right side
    7,860x = 289,748,484
  5. Step 5: Solve for x
    x = 289,748,484/7,860
  6. Step 6: Final answer
    x = 36,863.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.