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Finding the Third Proportional to 129,339,412 and 195,351,942

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Solution

The third proportional to 129,339,412 and 195,351,942 is: 295,056,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,339,412 : 195,351,942 = 195,351,942 : x
  2. Step 2: Convert to fraction form
    129,339,412/195,351,942 = 195,351,942/x
  3. Step 3: Cross multiply
    129,339,412x = 195,351,942 × 195,351,942
  4. Step 4: Simplify right side
    129,339,412x = 38,162,381,243,171,360
  5. Step 5: Solve for x
    x = 38,162,381,243,171,360/129,339,412
  6. Step 6: Final answer
    x = 295,056,090.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.