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Finding the Third Proportional to 18,184,639 and 40,405,114

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Solution

The third proportional to 18,184,639 and 40,405,114 is: 89,777,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184,639 : 40,405,114 = 40,405,114 : x
  2. Step 2: Convert to fraction form
    18,184,639/40,405,114 = 40,405,114/x
  3. Step 3: Cross multiply
    18,184,639x = 40,405,114 × 40,405,114
  4. Step 4: Simplify right side
    18,184,639x = 1,632,573,237,352,996
  5. Step 5: Solve for x
    x = 1,632,573,237,352,996/18,184,639
  6. Step 6: Final answer
    x = 89,777,599.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.