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Finding the Third Proportional to 4,076,811 and 8,871,018.75

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Solution

The third proportional to 4,076,811 and 8,871,018.75 is: 19,303,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076,811 : 8,871,018.75 = 8,871,018.75 : x
  2. Step 2: Convert to fraction form
    4,076,811/8,871,018.75 = 8,871,018.75/x
  3. Step 3: Cross multiply
    4,076,811x = 8,871,018.75 × 8,871,018.75
  4. Step 4: Simplify right side
    4,076,811x = 78,694,973,662,851.56
  5. Step 5: Solve for x
    x = 78,694,973,662,851.56/4,076,811
  6. Step 6: Final answer
    x = 19,303,071.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.