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Finding the Third Proportional to 47,979,740 and 104,478,520

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Solution

The third proportional to 47,979,740 and 104,478,520 is: 227,507,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979,740 : 104,478,520 = 104,478,520 : x
  2. Step 2: Convert to fraction form
    47,979,740/104,478,520 = 104,478,520/x
  3. Step 3: Cross multiply
    47,979,740x = 104,478,520 × 104,478,520
  4. Step 4: Simplify right side
    47,979,740x = 10,915,761,141,390,400
  5. Step 5: Solve for x
    x = 10,915,761,141,390,400/47,979,740
  6. Step 6: Final answer
    x = 227,507,717.66

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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.