Finding the Third Proportional to 7,129,743.75 and 15,396,027.75
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Solution
The third proportional to 7,129,743.75 and 15,396,027.75 is: 33,246,309.94
Step by Step Solution
- Step 1: Write the proportion equation
7,129,743.75 : 15,396,027.75 = 15,396,027.75 : x - Step 2: Convert to fraction form
7,129,743.75/15,396,027.75 = 15,396,027.75/x - Step 3: Cross multiply
7,129,743.75x = 15,396,027.75 × 15,396,027.75 - Step 4: Simplify right side
7,129,743.75x = 237,037,670,478,770.06 - Step 5: Solve for x
x = 237,037,670,478,770.06/7,129,743.75 - Step 6: Final answer
x = 33,246,309.94
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.