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Finding the Third Proportional to 921,398.63 and 1,394,976.75

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Solution

The third proportional to 921,398.63 and 1,394,976.75 is: 2,111,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,398.63 : 1,394,976.75 = 1,394,976.75 : x
  2. Step 2: Convert to fraction form
    921,398.63/1,394,976.75 = 1,394,976.75/x
  3. Step 3: Cross multiply
    921,398.63x = 1,394,976.75 × 1,394,976.75
  4. Step 4: Simplify right side
    921,398.63x = 1,945,960,133,040.56
  5. Step 5: Solve for x
    x = 1,945,960,133,040.56/921,398.63
  6. Step 6: Final answer
    x = 2,111,963.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.