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Finding the Third Proportional to 412,186,476 and 888,941,209

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Solution

The third proportional to 412,186,476 and 888,941,209 is: 1,917,133,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,186,476 : 888,941,209 = 888,941,209 : x
  2. Step 2: Convert to fraction form
    412,186,476/888,941,209 = 888,941,209/x
  3. Step 3: Cross multiply
    412,186,476x = 888,941,209 × 888,941,209
  4. Step 4: Simplify right side
    412,186,476x = 790,216,473,058,381,696
  5. Step 5: Solve for x
    x = 790,216,473,058,381,696/412,186,476
  6. Step 6: Final answer
    x = 1,917,133,431.27

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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.