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Finding the Third Proportional to 79,768,164 and 173,512,488

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Solution

The third proportional to 79,768,164 and 173,512,488 is: 377,426,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768,164 : 173,512,488 = 173,512,488 : x
  2. Step 2: Convert to fraction form
    79,768,164/173,512,488 = 173,512,488/x
  3. Step 3: Cross multiply
    79,768,164x = 173,512,488 × 173,512,488
  4. Step 4: Simplify right side
    79,768,164x = 30,106,583,491,950,144
  5. Step 5: Solve for x
    x = 30,106,583,491,950,144/79,768,164
  6. Step 6: Final answer
    x = 377,426,055.49

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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.