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Finding the Third Proportional to 23,809.50 and 51,378

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Solution

The third proportional to 23,809.50 and 51,378 is: 110,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.50 : 51,378 = 51,378 : x
  2. Step 2: Convert to fraction form
    23,809.50/51,378 = 51,378/x
  3. Step 3: Cross multiply
    23,809.50x = 51,378 × 51,378
  4. Step 4: Simplify right side
    23,809.50x = 2,639,698,884
  5. Step 5: Solve for x
    x = 2,639,698,884/23,809.50
  6. Step 6: Final answer
    x = 110,867.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.