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Finding the Third Proportional to 14,343.75 and 30,885.75

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Solution

The third proportional to 14,343.75 and 30,885.75 is: 66,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.75 : 30,885.75 = 30,885.75 : x
  2. Step 2: Convert to fraction form
    14,343.75/30,885.75 = 30,885.75/x
  3. Step 3: Cross multiply
    14,343.75x = 30,885.75 × 30,885.75
  4. Step 4: Simplify right side
    14,343.75x = 953,929,553.06
  5. Step 5: Solve for x
    x = 953,929,553.06/14,343.75
  6. Step 6: Final answer
    x = 66,504.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.