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Finding the Third Proportional to 14,986 and 16,426

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Solution

The third proportional to 14,986 and 16,426 is: 18,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986 : 16,426 = 16,426 : x
  2. Step 2: Convert to fraction form
    14,986/16,426 = 16,426/x
  3. Step 3: Cross multiply
    14,986x = 16,426 × 16,426
  4. Step 4: Simplify right side
    14,986x = 269,813,476
  5. Step 5: Solve for x
    x = 269,813,476/14,986
  6. Step 6: Final answer
    x = 18,004.37

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.