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Finding the Third Proportional to 14,253.47 and 18,916.03

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Solution

The third proportional to 14,253.47 and 18,916.03 is: 25,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.47 : 18,916.03 = 18,916.03 : x
  2. Step 2: Convert to fraction form
    14,253.47/18,916.03 = 18,916.03/x
  3. Step 3: Cross multiply
    14,253.47x = 18,916.03 × 18,916.03
  4. Step 4: Simplify right side
    14,253.47x = 357,816,238.25
  5. Step 5: Solve for x
    x = 357,816,238.25/14,253.47
  6. Step 6: Final answer
    x = 25,103.80

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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.