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Finding the Third Proportional to 14,890.50 and 19,851

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Solution

The third proportional to 14,890.50 and 19,851 is: 26,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.50 : 19,851 = 19,851 : x
  2. Step 2: Convert to fraction form
    14,890.50/19,851 = 19,851/x
  3. Step 3: Cross multiply
    14,890.50x = 19,851 × 19,851
  4. Step 4: Simplify right side
    14,890.50x = 394,062,201
  5. Step 5: Solve for x
    x = 394,062,201/14,890.50
  6. Step 6: Final answer
    x = 26,464.00

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.