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Finding the Third Proportional to 12,219 and 19,058

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Solution

The third proportional to 12,219 and 19,058 is: 29,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219 : 19,058 = 19,058 : x
  2. Step 2: Convert to fraction form
    12,219/19,058 = 19,058/x
  3. Step 3: Cross multiply
    12,219x = 19,058 × 19,058
  4. Step 4: Simplify right side
    12,219x = 363,207,364
  5. Step 5: Solve for x
    x = 363,207,364/12,219
  6. Step 6: Final answer
    x = 29,724.80

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.