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Finding the Third Proportional to 12,179 and 19,268

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Solution

The third proportional to 12,179 and 19,268 is: 30,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179 : 19,268 = 19,268 : x
  2. Step 2: Convert to fraction form
    12,179/19,268 = 19,268/x
  3. Step 3: Cross multiply
    12,179x = 19,268 × 19,268
  4. Step 4: Simplify right side
    12,179x = 371,255,824
  5. Step 5: Solve for x
    x = 371,255,824/12,179
  6. Step 6: Final answer
    x = 30,483.28

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.