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Finding the Third Proportional to 27,418.50 and 61,929.56

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Solution

The third proportional to 27,418.50 and 61,929.56 is: 139,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.50 : 61,929.56 = 61,929.56 : x
  2. Step 2: Convert to fraction form
    27,418.50/61,929.56 = 61,929.56/x
  3. Step 3: Cross multiply
    27,418.50x = 61,929.56 × 61,929.56
  4. Step 4: Simplify right side
    27,418.50x = 3,835,270,711.44
  5. Step 5: Solve for x
    x = 3,835,270,711.44/27,418.50
  6. Step 6: Final answer
    x = 139,878.94

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.