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Finding the Third Proportional to 2,007,308,139 and 4,348,168,771

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Solution

The third proportional to 2,007,308,139 and 4,348,168,771 is: 9,418,868,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,308,139 : 4,348,168,771 = 4,348,168,771 : x
  2. Step 2: Convert to fraction form
    2,007,308,139/4,348,168,771 = 4,348,168,771/x
  3. Step 3: Cross multiply
    2,007,308,139x = 4,348,168,771 × 4,348,168,771
  4. Step 4: Simplify right side
    2,007,308,139x = 18,906,571,661,099,651,072
  5. Step 5: Solve for x
    x = 18,906,571,661,099,651,072/2,007,308,139
  6. Step 6: Final answer
    x = 9,418,868,629.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.