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Finding the Third Proportional to 12,846 and 14,190

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Solution

The third proportional to 12,846 and 14,190 is: 15,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846 : 14,190 = 14,190 : x
  2. Step 2: Convert to fraction form
    12,846/14,190 = 14,190/x
  3. Step 3: Cross multiply
    12,846x = 14,190 × 14,190
  4. Step 4: Simplify right side
    12,846x = 201,356,100
  5. Step 5: Solve for x
    x = 201,356,100/12,846
  6. Step 6: Final answer
    x = 15,674.61

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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.