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Finding the Third Proportional to 11,697,788.87 and 18,184,601.72

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Solution

The third proportional to 11,697,788.87 and 18,184,601.72 is: 28,268,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697,788.87 : 18,184,601.72 = 18,184,601.72 : x
  2. Step 2: Convert to fraction form
    11,697,788.87/18,184,601.72 = 18,184,601.72/x
  3. Step 3: Cross multiply
    11,697,788.87x = 18,184,601.72 × 18,184,601.72
  4. Step 4: Simplify right side
    11,697,788.87x = 330,679,739,882,652.56
  5. Step 5: Solve for x
    x = 330,679,739,882,652.56/11,697,788.87
  6. Step 6: Final answer
    x = 28,268,567.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.