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Finding the Third Proportional to 18,388,692 and 40,364,037

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Solution

The third proportional to 18,388,692 and 40,364,037 is: 88,600,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,692 : 40,364,037 = 40,364,037 : x
  2. Step 2: Convert to fraction form
    18,388,692/40,364,037 = 40,364,037/x
  3. Step 3: Cross multiply
    18,388,692x = 40,364,037 × 40,364,037
  4. Step 4: Simplify right side
    18,388,692x = 1,629,255,482,937,369
  5. Step 5: Solve for x
    x = 1,629,255,482,937,369/18,388,692
  6. Step 6: Final answer
    x = 88,600,944.70

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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.