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Finding the Third Proportional to 619,326 and 1,313,077.50

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Solution

The third proportional to 619,326 and 1,313,077.50 is: 2,783,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,326 : 1,313,077.50 = 1,313,077.50 : x
  2. Step 2: Convert to fraction form
    619,326/1,313,077.50 = 1,313,077.50/x
  3. Step 3: Cross multiply
    619,326x = 1,313,077.50 × 1,313,077.50
  4. Step 4: Simplify right side
    619,326x = 1,724,172,521,006.25
  5. Step 5: Solve for x
    x = 1,724,172,521,006.25/619,326
  6. Step 6: Final answer
    x = 2,783,949.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.