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Finding the Third Proportional to 79,397,024 and 172,919,982

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Solution

The third proportional to 79,397,024 and 172,919,982 is: 376,605,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,397,024 : 172,919,982 = 172,919,982 : x
  2. Step 2: Convert to fraction form
    79,397,024/172,919,982 = 172,919,982/x
  3. Step 3: Cross multiply
    79,397,024x = 172,919,982 × 172,919,982
  4. Step 4: Simplify right side
    79,397,024x = 29,901,320,174,880,324
  5. Step 5: Solve for x
    x = 29,901,320,174,880,324/79,397,024
  6. Step 6: Final answer
    x = 376,605,049.77

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.