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Finding the Third Proportional to 14,238 and 16,830

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Solution

The third proportional to 14,238 and 16,830 is: 19,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238 : 16,830 = 16,830 : x
  2. Step 2: Convert to fraction form
    14,238/16,830 = 16,830/x
  3. Step 3: Cross multiply
    14,238x = 16,830 × 16,830
  4. Step 4: Simplify right side
    14,238x = 283,248,900
  5. Step 5: Solve for x
    x = 283,248,900/14,238
  6. Step 6: Final answer
    x = 19,893.87

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.