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Finding the Third Proportional to 11,860 and 27,490

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Solution

The third proportional to 11,860 and 27,490 is: 63,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860 : 27,490 = 27,490 : x
  2. Step 2: Convert to fraction form
    11,860/27,490 = 27,490/x
  3. Step 3: Cross multiply
    11,860x = 27,490 × 27,490
  4. Step 4: Simplify right side
    11,860x = 755,700,100
  5. Step 5: Solve for x
    x = 755,700,100/11,860
  6. Step 6: Final answer
    x = 63,718.39

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.