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Finding the Third Proportional to 1,886,257,256 and 4,059,168,976

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Solution

The third proportional to 1,886,257,256 and 4,059,168,976 is: 8,735,209,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,257,256 : 4,059,168,976 = 4,059,168,976 : x
  2. Step 2: Convert to fraction form
    1,886,257,256/4,059,168,976 = 4,059,168,976/x
  3. Step 3: Cross multiply
    1,886,257,256x = 4,059,168,976 × 4,059,168,976
  4. Step 4: Simplify right side
    1,886,257,256x = 16,476,852,775,720,888,320
  5. Step 5: Solve for x
    x = 16,476,852,775,720,888,320/1,886,257,256
  6. Step 6: Final answer
    x = 8,735,209,751.11

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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.