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Finding the Third Proportional to 4,915,018.97 and 7,372,529.16

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Solution

The third proportional to 4,915,018.97 and 7,372,529.16 is: 11,058,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915,018.97 : 7,372,529.16 = 7,372,529.16 : x
  2. Step 2: Convert to fraction form
    4,915,018.97/7,372,529.16 = 7,372,529.16/x
  3. Step 3: Cross multiply
    4,915,018.97x = 7,372,529.16 × 7,372,529.16
  4. Step 4: Simplify right side
    4,915,018.97x = 54,354,186,159,756.34
  5. Step 5: Solve for x
    x = 54,354,186,159,756.34/4,915,018.97
  6. Step 6: Final answer
    x = 11,058,794.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.