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Finding the Third Proportional to 14,178 and 20,607

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Solution

The third proportional to 14,178 and 20,607 is: 29,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178 : 20,607 = 20,607 : x
  2. Step 2: Convert to fraction form
    14,178/20,607 = 20,607/x
  3. Step 3: Cross multiply
    14,178x = 20,607 × 20,607
  4. Step 4: Simplify right side
    14,178x = 424,648,449
  5. Step 5: Solve for x
    x = 424,648,449/14,178
  6. Step 6: Final answer
    x = 29,951.22

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.