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Finding the Third Proportional to 5,578,790.63 and 8,452,392.19

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Solution

The third proportional to 5,578,790.63 and 8,452,392.19 is: 12,806,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,790.63 : 8,452,392.19 = 8,452,392.19 : x
  2. Step 2: Convert to fraction form
    5,578,790.63/8,452,392.19 = 8,452,392.19/x
  3. Step 3: Cross multiply
    5,578,790.63x = 8,452,392.19 × 8,452,392.19
  4. Step 4: Simplify right side
    5,578,790.63x = 71,442,933,691,311.03
  5. Step 5: Solve for x
    x = 71,442,933,691,311.03/5,578,790.63
  6. Step 6: Final answer
    x = 12,806,168.67

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.