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Finding the Third Proportional to 6,470 and 14,188

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Solution

The third proportional to 6,470 and 14,188 is: 31,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470 : 14,188 = 14,188 : x
  2. Step 2: Convert to fraction form
    6,470/14,188 = 14,188/x
  3. Step 3: Cross multiply
    6,470x = 14,188 × 14,188
  4. Step 4: Simplify right side
    6,470x = 201,299,344
  5. Step 5: Solve for x
    x = 201,299,344/6,470
  6. Step 6: Final answer
    x = 31,112.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.