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Finding the Third Proportional to 103,622,378 and 223,386,456

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Solution

The third proportional to 103,622,378 and 223,386,456 is: 481,570,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622,378 : 223,386,456 = 223,386,456 : x
  2. Step 2: Convert to fraction form
    103,622,378/223,386,456 = 223,386,456/x
  3. Step 3: Cross multiply
    103,622,378x = 223,386,456 × 223,386,456
  4. Step 4: Simplify right side
    103,622,378x = 49,901,508,724,239,936
  5. Step 5: Solve for x
    x = 49,901,508,724,239,936/103,622,378
  6. Step 6: Final answer
    x = 481,570,773.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.