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Finding the Third Proportional to 4,059,238.50 and 8,921,997

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Solution

The third proportional to 4,059,238.50 and 8,921,997 is: 19,610,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059,238.50 : 8,921,997 = 8,921,997 : x
  2. Step 2: Convert to fraction form
    4,059,238.50/8,921,997 = 8,921,997/x
  3. Step 3: Cross multiply
    4,059,238.50x = 8,921,997 × 8,921,997
  4. Step 4: Simplify right side
    4,059,238.50x = 79,602,030,468,009
  5. Step 5: Solve for x
    x = 79,602,030,468,009/4,059,238.50
  6. Step 6: Final answer
    x = 19,610,089.54

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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.