Finding the Third Proportional to 18,009,195,815.81 and 39,118,609,908.84
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Solution
The third proportional to 18,009,195,815.81 and 39,118,609,908.84 is: 84,971,347,796.48
Step by Step Solution
- Step 1: Write the proportion equation
18,009,195,815.81 : 39,118,609,908.84 = 39,118,609,908.84 : x - Step 2: Convert to fraction form
18,009,195,815.81/39,118,609,908.84 = 39,118,609,908.84/x - Step 3: Cross multiply
18,009,195,815.81x = 39,118,609,908.84 × 39,118,609,908.84 - Step 4: Simplify right side
18,009,195,815.81x = 1,530,265,641,200,229,810,176 - Step 5: Solve for x
x = 1,530,265,641,200,229,810,176/18,009,195,815.81 - Step 6: Final answer
x = 84,971,347,796.48
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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.