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Finding the Third Proportional to 11,970 and 25,929

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Solution

The third proportional to 11,970 and 25,929 is: 56,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970 : 25,929 = 25,929 : x
  2. Step 2: Convert to fraction form
    11,970/25,929 = 25,929/x
  3. Step 3: Cross multiply
    11,970x = 25,929 × 25,929
  4. Step 4: Simplify right side
    11,970x = 672,313,041
  5. Step 5: Solve for x
    x = 672,313,041/11,970
  6. Step 6: Final answer
    x = 56,166.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.