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Finding the Third Proportional to 7,829,566 and 11,978,364

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Solution

The third proportional to 7,829,566 and 11,978,364 is: 18,325,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829,566 : 11,978,364 = 11,978,364 : x
  2. Step 2: Convert to fraction form
    7,829,566/11,978,364 = 11,978,364/x
  3. Step 3: Cross multiply
    7,829,566x = 11,978,364 × 11,978,364
  4. Step 4: Simplify right side
    7,829,566x = 143,481,204,116,496
  5. Step 5: Solve for x
    x = 143,481,204,116,496/7,829,566
  6. Step 6: Final answer
    x = 18,325,562.89

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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.