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Finding the Third Proportional to 829,375,872 and 1,781,835,215

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Solution

The third proportional to 829,375,872 and 1,781,835,215 is: 3,828,103,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,375,872 : 1,781,835,215 = 1,781,835,215 : x
  2. Step 2: Convert to fraction form
    829,375,872/1,781,835,215 = 1,781,835,215/x
  3. Step 3: Cross multiply
    829,375,872x = 1,781,835,215 × 1,781,835,215
  4. Step 4: Simplify right side
    829,375,872x = 3,174,936,733,414,096,384
  5. Step 5: Solve for x
    x = 3,174,936,733,414,096,384/829,375,872
  6. Step 6: Final answer
    x = 3,828,103,566.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.