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Finding the Third Proportional to 13,716 and 20,283.75

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Solution

The third proportional to 13,716 and 20,283.75 is: 29,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716 : 20,283.75 = 20,283.75 : x
  2. Step 2: Convert to fraction form
    13,716/20,283.75 = 20,283.75/x
  3. Step 3: Cross multiply
    13,716x = 20,283.75 × 20,283.75
  4. Step 4: Simplify right side
    13,716x = 411,430,514.06
  5. Step 5: Solve for x
    x = 411,430,514.06/13,716
  6. Step 6: Final answer
    x = 29,996.39

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.