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Finding the Third Proportional to 412,186,328 and 888,940,905

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Solution

The third proportional to 412,186,328 and 888,940,905 is: 1,917,132,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,328 : 888,940,905 = 888,940,905 : x
  2. Step 2: Convert to fraction form
    412,186,328/888,940,905 = 888,940,905/x
  3. Step 3: Cross multiply
    412,186,328x = 888,940,905 × 888,940,905
  4. Step 4: Simplify right side
    412,186,328x = 790,215,932,582,219,008
  5. Step 5: Solve for x
    x = 790,215,932,582,219,008/412,186,328
  6. Step 6: Final answer
    x = 1,917,132,808.40

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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.