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Finding the Third Proportional to 3,981 and 9,637.50

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Solution

The third proportional to 3,981 and 9,637.50 is: 23,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981 : 9,637.50 = 9,637.50 : x
  2. Step 2: Convert to fraction form
    3,981/9,637.50 = 9,637.50/x
  3. Step 3: Cross multiply
    3,981x = 9,637.50 × 9,637.50
  4. Step 4: Simplify right side
    3,981x = 92,881,406.25
  5. Step 5: Solve for x
    x = 92,881,406.25/3,981
  6. Step 6: Final answer
    x = 23,331.17

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.