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Finding the Third Proportional to 201,391,619 and 433,771,661

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Solution

The third proportional to 201,391,619 and 433,771,661 is: 934,288,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,391,619 : 433,771,661 = 433,771,661 : x
  2. Step 2: Convert to fraction form
    201,391,619/433,771,661 = 433,771,661/x
  3. Step 3: Cross multiply
    201,391,619x = 433,771,661 × 433,771,661
  4. Step 4: Simplify right side
    201,391,619x = 188,157,853,886,698,912
  5. Step 5: Solve for x
    x = 188,157,853,886,698,912/201,391,619
  6. Step 6: Final answer
    x = 934,288,401.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.