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Finding the Third Proportional to 101,399,811.75 and 218,963,767.50

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Solution

The third proportional to 101,399,811.75 and 218,963,767.50 is: 472,832,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,399,811.75 : 218,963,767.50 = 218,963,767.50 : x
  2. Step 2: Convert to fraction form
    101,399,811.75/218,963,767.50 = 218,963,767.50/x
  3. Step 3: Cross multiply
    101,399,811.75x = 218,963,767.50 × 218,963,767.50
  4. Step 4: Simplify right side
    101,399,811.75x = 47,945,131,477,794,056
  5. Step 5: Solve for x
    x = 47,945,131,477,794,056/101,399,811.75
  6. Step 6: Final answer
    x = 472,832,549.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.