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Finding the Third Proportional to 638,696 and 888,046

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Solution

The third proportional to 638,696 and 888,046 is: 1,234,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,696 : 888,046 = 888,046 : x
  2. Step 2: Convert to fraction form
    638,696/888,046 = 888,046/x
  3. Step 3: Cross multiply
    638,696x = 888,046 × 888,046
  4. Step 4: Simplify right side
    638,696x = 788,625,698,116
  5. Step 5: Solve for x
    x = 788,625,698,116/638,696
  6. Step 6: Final answer
    x = 1,234,743.44

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.