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Finding the Third Proportional to 17,505,378 and 28,126,449

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Solution

The third proportional to 17,505,378 and 28,126,449 is: 45,191,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505,378 : 28,126,449 = 28,126,449 : x
  2. Step 2: Convert to fraction form
    17,505,378/28,126,449 = 28,126,449/x
  3. Step 3: Cross multiply
    17,505,378x = 28,126,449 × 28,126,449
  4. Step 4: Simplify right side
    17,505,378x = 791,097,133,349,601
  5. Step 5: Solve for x
    x = 791,097,133,349,601/17,505,378
  6. Step 6: Final answer
    x = 45,191,662.43

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.