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Finding the Third Proportional to 619,169.06 and 1,329,890.06

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Solution

The third proportional to 619,169.06 and 1,329,890.06 is: 2,856,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,169.06 : 1,329,890.06 = 1,329,890.06 : x
  2. Step 2: Convert to fraction form
    619,169.06/1,329,890.06 = 1,329,890.06/x
  3. Step 3: Cross multiply
    619,169.06x = 1,329,890.06 × 1,329,890.06
  4. Step 4: Simplify right side
    619,169.06x = 1,768,607,578,336.25
  5. Step 5: Solve for x
    x = 1,768,607,578,336.25/619,169.06
  6. Step 6: Final answer
    x = 2,856,421.11

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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.