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Finding the Third Proportional to 77,653,131.50 and 123,621,093

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Solution

The third proportional to 77,653,131.50 and 123,621,093 is: 196,800,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,131.50 : 123,621,093 = 123,621,093 : x
  2. Step 2: Convert to fraction form
    77,653,131.50/123,621,093 = 123,621,093/x
  3. Step 3: Cross multiply
    77,653,131.50x = 123,621,093 × 123,621,093
  4. Step 4: Simplify right side
    77,653,131.50x = 15,282,174,634,514,648
  5. Step 5: Solve for x
    x = 15,282,174,634,514,648/77,653,131.50
  6. Step 6: Final answer
    x = 196,800,493.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.