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Finding the Third Proportional to 903,860,736.40 and 1,958,555,223.49

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Solution

The third proportional to 903,860,736.40 and 1,958,555,223.49 is: 4,243,948,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,860,736.40 : 1,958,555,223.49 = 1,958,555,223.49 : x
  2. Step 2: Convert to fraction form
    903,860,736.40/1,958,555,223.49 = 1,958,555,223.49/x
  3. Step 3: Cross multiply
    903,860,736.40x = 1,958,555,223.49 × 1,958,555,223.49
  4. Step 4: Simplify right side
    903,860,736.40x = 3,835,938,563,468,189,696
  5. Step 5: Solve for x
    x = 3,835,938,563,468,189,696/903,860,736.40
  6. Step 6: Final answer
    x = 4,243,948,662.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.