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Finding the Third Proportional to 15,392.53 and 33,139.13

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Solution

The third proportional to 15,392.53 and 33,139.13 is: 71,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.53 : 33,139.13 = 33,139.13 : x
  2. Step 2: Convert to fraction form
    15,392.53/33,139.13 = 33,139.13/x
  3. Step 3: Cross multiply
    15,392.53x = 33,139.13 × 33,139.13
  4. Step 4: Simplify right side
    15,392.53x = 1,098,201,605.77
  5. Step 5: Solve for x
    x = 1,098,201,605.77/15,392.53
  6. Step 6: Final answer
    x = 71,346.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.