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Finding the Third Proportional to 30,268,008 and 66,422,736

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Solution

The third proportional to 30,268,008 and 66,422,736 is: 145,763,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268,008 : 66,422,736 = 66,422,736 : x
  2. Step 2: Convert to fraction form
    30,268,008/66,422,736 = 66,422,736/x
  3. Step 3: Cross multiply
    30,268,008x = 66,422,736 × 66,422,736
  4. Step 4: Simplify right side
    30,268,008x = 4,411,979,857,725,696
  5. Step 5: Solve for x
    x = 4,411,979,857,725,696/30,268,008
  6. Step 6: Final answer
    x = 145,763,799.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.