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Finding the Third Proportional to 1,941,662,430 and 4,279,097,502

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Solution

The third proportional to 1,941,662,430 and 4,279,097,502 is: 9,430,411,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,662,430 : 4,279,097,502 = 4,279,097,502 : x
  2. Step 2: Convert to fraction form
    1,941,662,430/4,279,097,502 = 4,279,097,502/x
  3. Step 3: Cross multiply
    1,941,662,430x = 4,279,097,502 × 4,279,097,502
  4. Step 4: Simplify right side
    1,941,662,430x = 18,310,675,431,622,639,616
  5. Step 5: Solve for x
    x = 18,310,675,431,622,639,616/1,941,662,430
  6. Step 6: Final answer
    x = 9,430,411,357.15

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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.