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Finding the Third Proportional to 936,640 and 2,055,392

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Solution

The third proportional to 936,640 and 2,055,392 is: 4,510,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,640 : 2,055,392 = 2,055,392 : x
  2. Step 2: Convert to fraction form
    936,640/2,055,392 = 2,055,392/x
  3. Step 3: Cross multiply
    936,640x = 2,055,392 × 2,055,392
  4. Step 4: Simplify right side
    936,640x = 4,224,636,273,664
  5. Step 5: Solve for x
    x = 4,224,636,273,664/936,640
  6. Step 6: Final answer
    x = 4,510,416.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.