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Finding the Third Proportional to 203,779,154 and 447,591,272

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Solution

The third proportional to 203,779,154 and 447,591,272 is: 983,113,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,779,154 : 447,591,272 = 447,591,272 : x
  2. Step 2: Convert to fraction form
    203,779,154/447,591,272 = 447,591,272/x
  3. Step 3: Cross multiply
    203,779,154x = 447,591,272 × 447,591,272
  4. Step 4: Simplify right side
    203,779,154x = 200,337,946,770,577,984
  5. Step 5: Solve for x
    x = 200,337,946,770,577,984/203,779,154
  6. Step 6: Final answer
    x = 983,113,055.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.