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Finding the Third Proportional to 14,268 and 19,215

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Solution

The third proportional to 14,268 and 19,215 is: 25,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268 : 19,215 = 19,215 : x
  2. Step 2: Convert to fraction form
    14,268/19,215 = 19,215/x
  3. Step 3: Cross multiply
    14,268x = 19,215 × 19,215
  4. Step 4: Simplify right side
    14,268x = 369,216,225
  5. Step 5: Solve for x
    x = 369,216,225/14,268
  6. Step 6: Final answer
    x = 25,877.22

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.