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Finding the Third Proportional to 412,186,319 and 888,940,887

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Solution

The third proportional to 412,186,319 and 888,940,887 is: 1,917,132,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,319 : 888,940,887 = 888,940,887 : x
  2. Step 2: Convert to fraction form
    412,186,319/888,940,887 = 888,940,887/x
  3. Step 3: Cross multiply
    412,186,319x = 888,940,887 × 888,940,887
  4. Step 4: Simplify right side
    412,186,319x = 790,215,900,580,346,752
  5. Step 5: Solve for x
    x = 790,215,900,580,346,752/412,186,319
  6. Step 6: Final answer
    x = 1,917,132,772.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.