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Finding the Third Proportional to 366,927 and 788,109

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Solution

The third proportional to 366,927 and 788,109 is: 1,692,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,927 : 788,109 = 788,109 : x
  2. Step 2: Convert to fraction form
    366,927/788,109 = 788,109/x
  3. Step 3: Cross multiply
    366,927x = 788,109 × 788,109
  4. Step 4: Simplify right side
    366,927x = 621,115,795,881
  5. Step 5: Solve for x
    x = 621,115,795,881/366,927
  6. Step 6: Final answer
    x = 1,692,750.32

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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.