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Finding the Third Proportional to 3,081,909 and 4,790,724

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Solution

The third proportional to 3,081,909 and 4,790,724 is: 7,447,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,909 : 4,790,724 = 4,790,724 : x
  2. Step 2: Convert to fraction form
    3,081,909/4,790,724 = 4,790,724/x
  3. Step 3: Cross multiply
    3,081,909x = 4,790,724 × 4,790,724
  4. Step 4: Simplify right side
    3,081,909x = 22,951,036,444,176
  5. Step 5: Solve for x
    x = 22,951,036,444,176/3,081,909
  6. Step 6: Final answer
    x = 7,447,019.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.