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Finding the Third Proportional to 14,856 and 19,740

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Solution

The third proportional to 14,856 and 19,740 is: 26,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856 : 19,740 = 19,740 : x
  2. Step 2: Convert to fraction form
    14,856/19,740 = 19,740/x
  3. Step 3: Cross multiply
    14,856x = 19,740 × 19,740
  4. Step 4: Simplify right side
    14,856x = 389,667,600
  5. Step 5: Solve for x
    x = 389,667,600/14,856
  6. Step 6: Final answer
    x = 26,229.64

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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.