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Finding the Third Proportional to 22,407 and 29,871

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Solution

The third proportional to 22,407 and 29,871 is: 39,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407 : 29,871 = 29,871 : x
  2. Step 2: Convert to fraction form
    22,407/29,871 = 29,871/x
  3. Step 3: Cross multiply
    22,407x = 29,871 × 29,871
  4. Step 4: Simplify right side
    22,407x = 892,276,641
  5. Step 5: Solve for x
    x = 892,276,641/22,407
  6. Step 6: Final answer
    x = 39,821.33

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.