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Finding the Third Proportional to 979,552,903.22 and 2,131,283,464.03

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Solution

The third proportional to 979,552,903.22 and 2,131,283,464.03 is: 4,637,186,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,552,903.22 : 2,131,283,464.03 = 2,131,283,464.03 : x
  2. Step 2: Convert to fraction form
    979,552,903.22/2,131,283,464.03 = 2,131,283,464.03/x
  3. Step 3: Cross multiply
    979,552,903.22x = 2,131,283,464.03 × 2,131,283,464.03
  4. Step 4: Simplify right side
    979,552,903.22x = 4,542,369,204,052,831,232
  5. Step 5: Solve for x
    x = 4,542,369,204,052,831,232/979,552,903.22
  6. Step 6: Final answer
    x = 4,637,186,199.06

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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.