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Finding the Third Proportional to 921,192 and 1,999,734

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Solution

The third proportional to 921,192 and 1,999,734 is: 4,341,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,192 : 1,999,734 = 1,999,734 : x
  2. Step 2: Convert to fraction form
    921,192/1,999,734 = 1,999,734/x
  3. Step 3: Cross multiply
    921,192x = 1,999,734 × 1,999,734
  4. Step 4: Simplify right side
    921,192x = 3,998,936,070,756
  5. Step 5: Solve for x
    x = 3,998,936,070,756/921,192
  6. Step 6: Final answer
    x = 4,341,045.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.