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Finding the Third Proportional to 8,732,543,672 and 18,995,119,286

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Solution

The third proportional to 8,732,543,672 and 18,995,119,286 is: 41,318,379,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732,543,672 : 18,995,119,286 = 18,995,119,286 : x
  2. Step 2: Convert to fraction form
    8,732,543,672/18,995,119,286 = 18,995,119,286/x
  3. Step 3: Cross multiply
    8,732,543,672x = 18,995,119,286 × 18,995,119,286
  4. Step 4: Simplify right side
    8,732,543,672x = 360,814,556,689,369,137,152
  5. Step 5: Solve for x
    x = 360,814,556,689,369,137,152/8,732,543,672
  6. Step 6: Final answer
    x = 41,318,379,872.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.