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Finding the Third Proportional to 7,264 and 17,128

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Solution

The third proportional to 7,264 and 17,128 is: 40,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264 : 17,128 = 17,128 : x
  2. Step 2: Convert to fraction form
    7,264/17,128 = 17,128/x
  3. Step 3: Cross multiply
    7,264x = 17,128 × 17,128
  4. Step 4: Simplify right side
    7,264x = 293,368,384
  5. Step 5: Solve for x
    x = 293,368,384/7,264
  6. Step 6: Final answer
    x = 40,386.62

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.