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Finding the Third Proportional to 619,192.69 and 1,329,940.69

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Solution

The third proportional to 619,192.69 and 1,329,940.69 is: 2,856,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,192.69 : 1,329,940.69 = 1,329,940.69 : x
  2. Step 2: Convert to fraction form
    619,192.69/1,329,940.69 = 1,329,940.69/x
  3. Step 3: Cross multiply
    619,192.69x = 1,329,940.69 × 1,329,940.69
  4. Step 4: Simplify right side
    619,192.69x = 1,768,742,232,267.97
  5. Step 5: Solve for x
    x = 1,768,742,232,267.97/619,192.69
  6. Step 6: Final answer
    x = 2,856,529.59

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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.