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Finding the Third Proportional to 15,275 and 22,768

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Solution

The third proportional to 15,275 and 22,768 is: 33,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275 : 22,768 = 22,768 : x
  2. Step 2: Convert to fraction form
    15,275/22,768 = 22,768/x
  3. Step 3: Cross multiply
    15,275x = 22,768 × 22,768
  4. Step 4: Simplify right side
    15,275x = 518,381,824
  5. Step 5: Solve for x
    x = 518,381,824/15,275
  6. Step 6: Final answer
    x = 33,936.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.