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Finding the Third Proportional to 4,208,922 and 9,090,387

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Solution

The third proportional to 4,208,922 and 9,090,387 is: 19,633,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208,922 : 9,090,387 = 9,090,387 : x
  2. Step 2: Convert to fraction form
    4,208,922/9,090,387 = 9,090,387/x
  3. Step 3: Cross multiply
    4,208,922x = 9,090,387 × 9,090,387
  4. Step 4: Simplify right side
    4,208,922x = 82,635,135,809,769
  5. Step 5: Solve for x
    x = 82,635,135,809,769/4,208,922
  6. Step 6: Final answer
    x = 19,633,325.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.