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Finding the Third Proportional to 8,942,903 and 19,398,112

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Solution

The third proportional to 8,942,903 and 19,398,112 is: 42,076,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942,903 : 19,398,112 = 19,398,112 : x
  2. Step 2: Convert to fraction form
    8,942,903/19,398,112 = 19,398,112/x
  3. Step 3: Cross multiply
    8,942,903x = 19,398,112 × 19,398,112
  4. Step 4: Simplify right side
    8,942,903x = 376,286,749,164,544
  5. Step 5: Solve for x
    x = 376,286,749,164,544/8,942,903
  6. Step 6: Final answer
    x = 42,076,577.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.