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Finding the Third Proportional to 14,355 and 20,550

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Solution

The third proportional to 14,355 and 20,550 is: 29,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355 : 20,550 = 20,550 : x
  2. Step 2: Convert to fraction form
    14,355/20,550 = 20,550/x
  3. Step 3: Cross multiply
    14,355x = 20,550 × 20,550
  4. Step 4: Simplify right side
    14,355x = 422,302,500
  5. Step 5: Solve for x
    x = 422,302,500/14,355
  6. Step 6: Final answer
    x = 29,418.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.