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Finding the Third Proportional to 6,717.94 and 15,615.28

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Solution

The third proportional to 6,717.94 and 15,615.28 is: 36,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.94 : 15,615.28 = 15,615.28 : x
  2. Step 2: Convert to fraction form
    6,717.94/15,615.28 = 15,615.28/x
  3. Step 3: Cross multiply
    6,717.94x = 15,615.28 × 15,615.28
  4. Step 4: Simplify right side
    6,717.94x = 243,837,008.52
  5. Step 5: Solve for x
    x = 243,837,008.52/6,717.94
  6. Step 6: Final answer
    x = 36,296.41

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.