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Finding the Third Proportional to 10,428 and 14,193

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Solution

The third proportional to 10,428 and 14,193 is: 19,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428 : 14,193 = 14,193 : x
  2. Step 2: Convert to fraction form
    10,428/14,193 = 14,193/x
  3. Step 3: Cross multiply
    10,428x = 14,193 × 14,193
  4. Step 4: Simplify right side
    10,428x = 201,441,249
  5. Step 5: Solve for x
    x = 201,441,249/10,428
  6. Step 6: Final answer
    x = 19,317.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.