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Finding the Third Proportional to 7,615.13 and 17,627.94

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Solution

The third proportional to 7,615.13 and 17,627.94 is: 40,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.13 : 17,627.94 = 17,627.94 : x
  2. Step 2: Convert to fraction form
    7,615.13/17,627.94 = 17,627.94/x
  3. Step 3: Cross multiply
    7,615.13x = 17,627.94 × 17,627.94
  4. Step 4: Simplify right side
    7,615.13x = 310,744,180.50
  5. Step 5: Solve for x
    x = 310,744,180.50/7,615.13
  6. Step 6: Final answer
    x = 40,806.18

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.