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Finding the Third Proportional to 1,973,356,234.50 and 4,387,921,980

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Solution

The third proportional to 1,973,356,234.50 and 4,387,921,980 is: 9,756,910,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,356,234.50 : 4,387,921,980 = 4,387,921,980 : x
  2. Step 2: Convert to fraction form
    1,973,356,234.50/4,387,921,980 = 4,387,921,980/x
  3. Step 3: Cross multiply
    1,973,356,234.50x = 4,387,921,980 × 4,387,921,980
  4. Step 4: Simplify right side
    1,973,356,234.50x = 19,253,859,302,567,120,896
  5. Step 5: Solve for x
    x = 19,253,859,302,567,120,896/1,973,356,234.50
  6. Step 6: Final answer
    x = 9,756,910,063.15

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.