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Finding the Third Proportional to 4,972,640 and 7,018,847

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Solution

The third proportional to 4,972,640 and 7,018,847 is: 9,907,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,640 : 7,018,847 = 7,018,847 : x
  2. Step 2: Convert to fraction form
    4,972,640/7,018,847 = 7,018,847/x
  3. Step 3: Cross multiply
    4,972,640x = 7,018,847 × 7,018,847
  4. Step 4: Simplify right side
    4,972,640x = 49,264,213,209,409
  5. Step 5: Solve for x
    x = 49,264,213,209,409/4,972,640
  6. Step 6: Final answer
    x = 9,907,054.04

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.