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Finding the Third Proportional to 3,353,536.69 and 7,274,189.81

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Solution

The third proportional to 3,353,536.69 and 7,274,189.81 is: 15,778,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353,536.69 : 7,274,189.81 = 7,274,189.81 : x
  2. Step 2: Convert to fraction form
    3,353,536.69/7,274,189.81 = 7,274,189.81/x
  3. Step 3: Cross multiply
    3,353,536.69x = 7,274,189.81 × 7,274,189.81
  4. Step 4: Simplify right side
    3,353,536.69x = 52,913,837,428,278.78
  5. Step 5: Solve for x
    x = 52,913,837,428,278.78/3,353,536.69
  6. Step 6: Final answer
    x = 15,778,517.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.