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Finding the Third Proportional to 372,455,991 and 877,982,391

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Solution

The third proportional to 372,455,991 and 877,982,391 is: 2,069,648,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,455,991 : 877,982,391 = 877,982,391 : x
  2. Step 2: Convert to fraction form
    372,455,991/877,982,391 = 877,982,391/x
  3. Step 3: Cross multiply
    372,455,991x = 877,982,391 × 877,982,391
  4. Step 4: Simplify right side
    372,455,991x = 770,853,078,906,076,928
  5. Step 5: Solve for x
    x = 770,853,078,906,076,928/372,455,991
  6. Step 6: Final answer
    x = 2,069,648,757.26

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.