Finding the Third Proportional to 299,430 and 649,221.75
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Solution
The third proportional to 299,430 and 649,221.75 is: 1,407,637.45
Step by Step Solution
- Step 1: Write the proportion equation
299,430 : 649,221.75 = 649,221.75 : x - Step 2: Convert to fraction form
299,430/649,221.75 = 649,221.75/x - Step 3: Cross multiply
299,430x = 649,221.75 × 649,221.75 - Step 4: Simplify right side
299,430x = 421,488,880,673.06 - Step 5: Solve for x
x = 421,488,880,673.06/299,430 - Step 6: Final answer
x = 1,407,637.45
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.