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Finding the Third Proportional to 18,203,343 and 39,108,114

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Solution

The third proportional to 18,203,343 and 39,108,114 is: 84,019,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,343 : 39,108,114 = 39,108,114 : x
  2. Step 2: Convert to fraction form
    18,203,343/39,108,114 = 39,108,114/x
  3. Step 3: Cross multiply
    18,203,343x = 39,108,114 × 39,108,114
  4. Step 4: Simplify right side
    18,203,343x = 1,529,444,580,636,996
  5. Step 5: Solve for x
    x = 1,529,444,580,636,996/18,203,343
  6. Step 6: Final answer
    x = 84,019,983.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.