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Finding the Third Proportional to 79,401,054 and 121,437,408

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Solution

The third proportional to 79,401,054 and 121,437,408 is: 185,728,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,401,054 : 121,437,408 = 121,437,408 : x
  2. Step 2: Convert to fraction form
    79,401,054/121,437,408 = 121,437,408/x
  3. Step 3: Cross multiply
    79,401,054x = 121,437,408 × 121,437,408
  4. Step 4: Simplify right side
    79,401,054x = 14,747,044,061,758,464
  5. Step 5: Solve for x
    x = 14,747,044,061,758,464/79,401,054
  6. Step 6: Final answer
    x = 185,728,568.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.