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Finding the Third Proportional to 79,776,721 and 174,687,052.50

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Solution

The third proportional to 79,776,721 and 174,687,052.50 is: 382,512,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776,721 : 174,687,052.50 = 174,687,052.50 : x
  2. Step 2: Convert to fraction form
    79,776,721/174,687,052.50 = 174,687,052.50/x
  3. Step 3: Cross multiply
    79,776,721x = 174,687,052.50 × 174,687,052.50
  4. Step 4: Simplify right side
    79,776,721x = 30,515,566,311,137,756
  5. Step 5: Solve for x
    x = 30,515,566,311,137,756/79,776,721
  6. Step 6: Final answer
    x = 382,512,165.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.