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Finding the Third Proportional to 16,718 and 22,283

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Solution

The third proportional to 16,718 and 22,283 is: 29,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718 : 22,283 = 22,283 : x
  2. Step 2: Convert to fraction form
    16,718/22,283 = 22,283/x
  3. Step 3: Cross multiply
    16,718x = 22,283 × 22,283
  4. Step 4: Simplify right side
    16,718x = 496,532,089
  5. Step 5: Solve for x
    x = 496,532,089/16,718
  6. Step 6: Final answer
    x = 29,700.45

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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.