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Finding the Third Proportional to 22,040 and 29,981

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Solution

The third proportional to 22,040 and 29,981 is: 40,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040 : 29,981 = 29,981 : x
  2. Step 2: Convert to fraction form
    22,040/29,981 = 29,981/x
  3. Step 3: Cross multiply
    22,040x = 29,981 × 29,981
  4. Step 4: Simplify right side
    22,040x = 898,860,361
  5. Step 5: Solve for x
    x = 898,860,361/22,040
  6. Step 6: Final answer
    x = 40,783.14

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.