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Finding the Third Proportional to 14,057 and 20,662.50

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Solution

The third proportional to 14,057 and 20,662.50 is: 30,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057 : 20,662.50 = 20,662.50 : x
  2. Step 2: Convert to fraction form
    14,057/20,662.50 = 20,662.50/x
  3. Step 3: Cross multiply
    14,057x = 20,662.50 × 20,662.50
  4. Step 4: Simplify right side
    14,057x = 426,938,906.25
  5. Step 5: Solve for x
    x = 426,938,906.25/14,057
  6. Step 6: Final answer
    x = 30,371.98

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.