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Finding the Third Proportional to 425,628 and 913,976

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Solution

The third proportional to 425,628 and 913,976 is: 1,962,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,628 : 913,976 = 913,976 : x
  2. Step 2: Convert to fraction form
    425,628/913,976 = 913,976/x
  3. Step 3: Cross multiply
    425,628x = 913,976 × 913,976
  4. Step 4: Simplify right side
    425,628x = 835,352,128,576
  5. Step 5: Solve for x
    x = 835,352,128,576/425,628
  6. Step 6: Final answer
    x = 1,962,634.34

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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.