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Finding the Third Proportional to 18,776,195 and 40,247,138

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Solution

The third proportional to 18,776,195 and 40,247,138 is: 86,270,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,195 : 40,247,138 = 40,247,138 : x
  2. Step 2: Convert to fraction form
    18,776,195/40,247,138 = 40,247,138/x
  3. Step 3: Cross multiply
    18,776,195x = 40,247,138 × 40,247,138
  4. Step 4: Simplify right side
    18,776,195x = 1,619,832,117,191,044
  5. Step 5: Solve for x
    x = 1,619,832,117,191,044/18,776,195
  6. Step 6: Final answer
    x = 86,270,520.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.