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Finding the Third Proportional to 1,913,448.75 and 4,163,195.25

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Solution

The third proportional to 1,913,448.75 and 4,163,195.25 is: 9,058,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,448.75 : 4,163,195.25 = 4,163,195.25 : x
  2. Step 2: Convert to fraction form
    1,913,448.75/4,163,195.25 = 4,163,195.25/x
  3. Step 3: Cross multiply
    1,913,448.75x = 4,163,195.25 × 4,163,195.25
  4. Step 4: Simplify right side
    1,913,448.75x = 17,332,194,689,622.56
  5. Step 5: Solve for x
    x = 17,332,194,689,622.56/1,913,448.75
  6. Step 6: Final answer
    x = 9,058,091.93

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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.