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Finding the Third Proportional to 100,957,126 and 219,602,978

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Solution

The third proportional to 100,957,126 and 219,602,978 is: 477,682,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,957,126 : 219,602,978 = 219,602,978 : x
  2. Step 2: Convert to fraction form
    100,957,126/219,602,978 = 219,602,978/x
  3. Step 3: Cross multiply
    100,957,126x = 219,602,978 × 219,602,978
  4. Step 4: Simplify right side
    100,957,126x = 48,225,467,946,468,480
  5. Step 5: Solve for x
    x = 48,225,467,946,468,480/100,957,126
  6. Step 6: Final answer
    x = 477,682,654.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.