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Finding the Third Proportional to 9,371 and 19,957

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Solution

The third proportional to 9,371 and 19,957 is: 42,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371 : 19,957 = 19,957 : x
  2. Step 2: Convert to fraction form
    9,371/19,957 = 19,957/x
  3. Step 3: Cross multiply
    9,371x = 19,957 × 19,957
  4. Step 4: Simplify right side
    9,371x = 398,281,849
  5. Step 5: Solve for x
    x = 398,281,849/9,371
  6. Step 6: Final answer
    x = 42,501.53

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.