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Finding the Third Proportional to 79,350,318 and 122,561,290

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Solution

The third proportional to 79,350,318 and 122,561,290 is: 189,303,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350,318 : 122,561,290 = 122,561,290 : x
  2. Step 2: Convert to fraction form
    79,350,318/122,561,290 = 122,561,290/x
  3. Step 3: Cross multiply
    79,350,318x = 122,561,290 × 122,561,290
  4. Step 4: Simplify right side
    79,350,318x = 15,021,269,806,464,100
  5. Step 5: Solve for x
    x = 15,021,269,806,464,100/79,350,318
  6. Step 6: Final answer
    x = 189,303,208.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.