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Finding the Third Proportional to 8,490 and 14,151

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Solution

The third proportional to 8,490 and 14,151 is: 23,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490 : 14,151 = 14,151 : x
  2. Step 2: Convert to fraction form
    8,490/14,151 = 14,151/x
  3. Step 3: Cross multiply
    8,490x = 14,151 × 14,151
  4. Step 4: Simplify right side
    8,490x = 200,250,801
  5. Step 5: Solve for x
    x = 200,250,801/8,490
  6. Step 6: Final answer
    x = 23,586.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.