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Finding the Third Proportional to 438,628,056 and 963,339,048

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Solution

The third proportional to 438,628,056 and 963,339,048 is: 2,115,738,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,628,056 : 963,339,048 = 963,339,048 : x
  2. Step 2: Convert to fraction form
    438,628,056/963,339,048 = 963,339,048/x
  3. Step 3: Cross multiply
    438,628,056x = 963,339,048 × 963,339,048
  4. Step 4: Simplify right side
    438,628,056x = 928,022,121,401,546,240
  5. Step 5: Solve for x
    x = 928,022,121,401,546,240/438,628,056
  6. Step 6: Final answer
    x = 2,115,738,172.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.