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Finding the Third Proportional to 4,821,138 and 7,293,912

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Solution

The third proportional to 4,821,138 and 7,293,912 is: 11,034,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,138 : 7,293,912 = 7,293,912 : x
  2. Step 2: Convert to fraction form
    4,821,138/7,293,912 = 7,293,912/x
  3. Step 3: Cross multiply
    4,821,138x = 7,293,912 × 7,293,912
  4. Step 4: Simplify right side
    4,821,138x = 53,201,152,263,744
  5. Step 5: Solve for x
    x = 53,201,152,263,744/4,821,138
  6. Step 6: Final answer
    x = 11,034,978.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.