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Finding the Third Proportional to 468,970 and 726,622

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Solution

The third proportional to 468,970 and 726,622 is: 1,125,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,970 : 726,622 = 726,622 : x
  2. Step 2: Convert to fraction form
    468,970/726,622 = 726,622/x
  3. Step 3: Cross multiply
    468,970x = 726,622 × 726,622
  4. Step 4: Simplify right side
    468,970x = 527,979,530,884
  5. Step 5: Solve for x
    x = 527,979,530,884/468,970
  6. Step 6: Final answer
    x = 1,125,827.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.