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Finding the Third Proportional to 412,186,391 and 888,941,031

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Solution

The third proportional to 412,186,391 and 888,941,031 is: 1,917,133,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,391 : 888,941,031 = 888,941,031 : x
  2. Step 2: Convert to fraction form
    412,186,391/888,941,031 = 888,941,031/x
  3. Step 3: Cross multiply
    412,186,391x = 888,941,031 × 888,941,031
  4. Step 4: Simplify right side
    412,186,391x = 790,216,156,595,342,976
  5. Step 5: Solve for x
    x = 790,216,156,595,342,976/412,186,391
  6. Step 6: Final answer
    x = 1,917,133,058.85

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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.