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Finding the Third Proportional to 38,380,224 and 54,884,172

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Solution

The third proportional to 38,380,224 and 54,884,172 is: 78,485,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380,224 : 54,884,172 = 54,884,172 : x
  2. Step 2: Convert to fraction form
    38,380,224/54,884,172 = 54,884,172/x
  3. Step 3: Cross multiply
    38,380,224x = 54,884,172 × 54,884,172
  4. Step 4: Simplify right side
    38,380,224x = 3,012,272,336,125,584
  5. Step 5: Solve for x
    x = 3,012,272,336,125,584/38,380,224
  6. Step 6: Final answer
    x = 78,485,011.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.