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Finding the Third Proportional to 408,046,000 and 885,370,311

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Solution

The third proportional to 408,046,000 and 885,370,311 is: 1,921,059,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,046,000 : 885,370,311 = 885,370,311 : x
  2. Step 2: Convert to fraction form
    408,046,000/885,370,311 = 885,370,311/x
  3. Step 3: Cross multiply
    408,046,000x = 885,370,311 × 885,370,311
  4. Step 4: Simplify right side
    408,046,000x = 783,880,587,600,236,672
  5. Step 5: Solve for x
    x = 783,880,587,600,236,672/408,046,000
  6. Step 6: Final answer
    x = 1,921,059,359.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.