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Finding the Third Proportional to 15,403.22 and 33,580.69

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Solution

The third proportional to 15,403.22 and 33,580.69 is: 73,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.22 : 33,580.69 = 33,580.69 : x
  2. Step 2: Convert to fraction form
    15,403.22/33,580.69 = 33,580.69/x
  3. Step 3: Cross multiply
    15,403.22x = 33,580.69 × 33,580.69
  4. Step 4: Simplify right side
    15,403.22x = 1,127,662,572.97
  5. Step 5: Solve for x
    x = 1,127,662,572.97/15,403.22
  6. Step 6: Final answer
    x = 73,209.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.