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Finding the Third Proportional to 14,894 and 20,480

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Solution

The third proportional to 14,894 and 20,480 is: 28,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894 : 20,480 = 20,480 : x
  2. Step 2: Convert to fraction form
    14,894/20,480 = 20,480/x
  3. Step 3: Cross multiply
    14,894x = 20,480 × 20,480
  4. Step 4: Simplify right side
    14,894x = 419,430,400
  5. Step 5: Solve for x
    x = 419,430,400/14,894
  6. Step 6: Final answer
    x = 28,161.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.