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Finding the Third Proportional to 1,668,020.34 and 3,641,899.22

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Solution

The third proportional to 1,668,020.34 and 3,641,899.22 is: 7,951,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,020.34 : 3,641,899.22 = 3,641,899.22 : x
  2. Step 2: Convert to fraction form
    1,668,020.34/3,641,899.22 = 3,641,899.22/x
  3. Step 3: Cross multiply
    1,668,020.34x = 3,641,899.22 × 3,641,899.22
  4. Step 4: Simplify right side
    1,668,020.34x = 13,263,429,919,531.86
  5. Step 5: Solve for x
    x = 13,263,429,919,531.86/1,668,020.34
  6. Step 6: Final answer
    x = 7,951,599.61

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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.