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Finding the Third Proportional to 14,211 and 21,748.50

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Solution

The third proportional to 14,211 and 21,748.50 is: 33,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211 : 21,748.50 = 21,748.50 : x
  2. Step 2: Convert to fraction form
    14,211/21,748.50 = 21,748.50/x
  3. Step 3: Cross multiply
    14,211x = 21,748.50 × 21,748.50
  4. Step 4: Simplify right side
    14,211x = 472,997,252.25
  5. Step 5: Solve for x
    x = 472,997,252.25/14,211
  6. Step 6: Final answer
    x = 33,283.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.