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Finding the Third Proportional to 366,940 and 788,132

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Solution

The third proportional to 366,940 and 788,132 is: 1,692,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940 : 788,132 = 788,132 : x
  2. Step 2: Convert to fraction form
    366,940/788,132 = 788,132/x
  3. Step 3: Cross multiply
    366,940x = 788,132 × 788,132
  4. Step 4: Simplify right side
    366,940x = 621,152,049,424
  5. Step 5: Solve for x
    x = 621,152,049,424/366,940
  6. Step 6: Final answer
    x = 1,692,789.15

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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.