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Finding the Third Proportional to 1,508,430,843 and 3,247,396,875

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Solution

The third proportional to 1,508,430,843 and 3,247,396,875 is: 6,991,097,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,430,843 : 3,247,396,875 = 3,247,396,875 : x
  2. Step 2: Convert to fraction form
    1,508,430,843/3,247,396,875 = 3,247,396,875/x
  3. Step 3: Cross multiply
    1,508,430,843x = 3,247,396,875 × 3,247,396,875
  4. Step 4: Simplify right side
    1,508,430,843x = 10,545,586,463,759,765,504
  5. Step 5: Solve for x
    x = 10,545,586,463,759,765,504/1,508,430,843
  6. Step 6: Final answer
    x = 6,991,097,081.25

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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.