Finding the Third Proportional to 645,243.75 and 998,619.75
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Solution
The third proportional to 645,243.75 and 998,619.75 is: 1,545,526.64
Step by Step Solution
- Step 1: Write the proportion equation
645,243.75 : 998,619.75 = 998,619.75 : x - Step 2: Convert to fraction form
645,243.75/998,619.75 = 998,619.75/x - Step 3: Cross multiply
645,243.75x = 998,619.75 × 998,619.75 - Step 4: Simplify right side
645,243.75x = 997,241,405,090.06 - Step 5: Solve for x
x = 997,241,405,090.06/645,243.75 - Step 6: Final answer
x = 1,545,526.64
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.