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Finding the Third Proportional to 904,308,640 and 1,958,885,378

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Solution

The third proportional to 904,308,640 and 1,958,885,378 is: 4,243,276,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,308,640 : 1,958,885,378 = 1,958,885,378 : x
  2. Step 2: Convert to fraction form
    904,308,640/1,958,885,378 = 1,958,885,378/x
  3. Step 3: Cross multiply
    904,308,640x = 1,958,885,378 × 1,958,885,378
  4. Step 4: Simplify right side
    904,308,640x = 3,837,231,924,142,202,880
  5. Step 5: Solve for x
    x = 3,837,231,924,142,202,880/904,308,640
  6. Step 6: Final answer
    x = 4,243,276,857.49

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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.