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Finding the Third Proportional to 7,957 and 17,020

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Solution

The third proportional to 7,957 and 17,020 is: 36,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957 : 17,020 = 17,020 : x
  2. Step 2: Convert to fraction form
    7,957/17,020 = 17,020/x
  3. Step 3: Cross multiply
    7,957x = 17,020 × 17,020
  4. Step 4: Simplify right side
    7,957x = 289,680,400
  5. Step 5: Solve for x
    x = 289,680,400/7,957
  6. Step 6: Final answer
    x = 36,405.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.