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Finding the Third Proportional to 79,397,533 and 171,985,582

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Solution

The third proportional to 79,397,533 and 171,985,582 is: 372,543,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,397,533 : 171,985,582 = 171,985,582 : x
  2. Step 2: Convert to fraction form
    79,397,533/171,985,582 = 171,985,582/x
  3. Step 3: Cross multiply
    79,397,533x = 171,985,582 × 171,985,582
  4. Step 4: Simplify right side
    79,397,533x = 29,579,040,415,878,724
  5. Step 5: Solve for x
    x = 29,579,040,415,878,724/79,397,533
  6. Step 6: Final answer
    x = 372,543,570.29

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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.