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Finding the Third Proportional to 7,829,553 and 11,978,334

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Solution

The third proportional to 7,829,553 and 11,978,334 is: 18,325,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829,553 : 11,978,334 = 11,978,334 : x
  2. Step 2: Convert to fraction form
    7,829,553/11,978,334 = 11,978,334/x
  3. Step 3: Cross multiply
    7,829,553x = 11,978,334 × 11,978,334
  4. Step 4: Simplify right side
    7,829,553x = 143,480,485,415,556
  5. Step 5: Solve for x
    x = 143,480,485,415,556/7,829,553
  6. Step 6: Final answer
    x = 18,325,501.52

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.