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Finding the Third Proportional to 5,223,970 and 7,914,961

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Solution

The third proportional to 5,223,970 and 7,914,961 is: 11,992,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,970 : 7,914,961 = 7,914,961 : x
  2. Step 2: Convert to fraction form
    5,223,970/7,914,961 = 7,914,961/x
  3. Step 3: Cross multiply
    5,223,970x = 7,914,961 × 7,914,961
  4. Step 4: Simplify right side
    5,223,970x = 62,646,607,631,521
  5. Step 5: Solve for x
    x = 62,646,607,631,521/5,223,970
  6. Step 6: Final answer
    x = 11,992,145.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.