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Finding the Third Proportional to 775,554 and 1,640,528

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Solution

The third proportional to 775,554 and 1,640,528 is: 3,470,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,554 : 1,640,528 = 1,640,528 : x
  2. Step 2: Convert to fraction form
    775,554/1,640,528 = 1,640,528/x
  3. Step 3: Cross multiply
    775,554x = 1,640,528 × 1,640,528
  4. Step 4: Simplify right side
    775,554x = 2,691,332,118,784
  5. Step 5: Solve for x
    x = 2,691,332,118,784/775,554
  6. Step 6: Final answer
    x = 3,470,205.97

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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.