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Finding the Third Proportional to 30,449,266.88 and 62,512,740.98

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Solution

The third proportional to 30,449,266.88 and 62,512,740.98 is: 128,339,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449,266.88 : 62,512,740.98 = 62,512,740.98 : x
  2. Step 2: Convert to fraction form
    30,449,266.88/62,512,740.98 = 62,512,740.98/x
  3. Step 3: Cross multiply
    30,449,266.88x = 62,512,740.98 × 62,512,740.98
  4. Step 4: Simplify right side
    30,449,266.88x = 3,907,842,785,379,558
  5. Step 5: Solve for x
    x = 3,907,842,785,379,558/30,449,266.88
  6. Step 6: Final answer
    x = 128,339,470.42

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.