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Finding the Third Proportional to 828,795 and 1,785,117

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Solution

The third proportional to 828,795 and 1,785,117 is: 3,844,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,795 : 1,785,117 = 1,785,117 : x
  2. Step 2: Convert to fraction form
    828,795/1,785,117 = 1,785,117/x
  3. Step 3: Cross multiply
    828,795x = 1,785,117 × 1,785,117
  4. Step 4: Simplify right side
    828,795x = 3,186,642,703,689
  5. Step 5: Solve for x
    x = 3,186,642,703,689/828,795
  6. Step 6: Final answer
    x = 3,844,910.63

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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.