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Finding the Third Proportional to 16,445.25 and 18,114.75

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Solution

The third proportional to 16,445.25 and 18,114.75 is: 19,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.25 : 18,114.75 = 18,114.75 : x
  2. Step 2: Convert to fraction form
    16,445.25/18,114.75 = 18,114.75/x
  3. Step 3: Cross multiply
    16,445.25x = 18,114.75 × 18,114.75
  4. Step 4: Simplify right side
    16,445.25x = 328,144,167.56
  5. Step 5: Solve for x
    x = 328,144,167.56/16,445.25
  6. Step 6: Final answer
    x = 19,953.74

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.