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Finding the Third Proportional to 178,519,615.88 and 275,858,338.50

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Solution

The third proportional to 178,519,615.88 and 275,858,338.50 is: 426,271,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,519,615.88 : 275,858,338.50 = 275,858,338.50 : x
  2. Step 2: Convert to fraction form
    178,519,615.88/275,858,338.50 = 275,858,338.50/x
  3. Step 3: Cross multiply
    178,519,615.88x = 275,858,338.50 × 275,858,338.50
  4. Step 4: Simplify right side
    178,519,615.88x = 76,097,822,919,980,576
  5. Step 5: Solve for x
    x = 76,097,822,919,980,576/178,519,615.88
  6. Step 6: Final answer
    x = 426,271,491.49

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.