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Finding the Third Proportional to 79,211,536 and 121,172,186

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Solution

The third proportional to 79,211,536 and 121,172,186 is: 185,360,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,536 : 121,172,186 = 121,172,186 : x
  2. Step 2: Convert to fraction form
    79,211,536/121,172,186 = 121,172,186/x
  3. Step 3: Cross multiply
    79,211,536x = 121,172,186 × 121,172,186
  4. Step 4: Simplify right side
    79,211,536x = 14,682,698,660,018,596
  5. Step 5: Solve for x
    x = 14,682,698,660,018,596/79,211,536
  6. Step 6: Final answer
    x = 185,360,610.35

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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.