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Finding the Third Proportional to 14,712.75 and 18,890.63

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Solution

The third proportional to 14,712.75 and 18,890.63 is: 24,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.75 : 18,890.63 = 18,890.63 : x
  2. Step 2: Convert to fraction form
    14,712.75/18,890.63 = 18,890.63/x
  3. Step 3: Cross multiply
    14,712.75x = 18,890.63 × 18,890.63
  4. Step 4: Simplify right side
    14,712.75x = 356,855,712.89
  5. Step 5: Solve for x
    x = 356,855,712.89/14,712.75
  6. Step 6: Final answer
    x = 24,254.86

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.