Finding the Third Proportional to 287,409.75 and 435,090.75
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Solution
The third proportional to 287,409.75 and 435,090.75 is: 658,655.32
Step by Step Solution
- Step 1: Write the proportion equation
287,409.75 : 435,090.75 = 435,090.75 : x - Step 2: Convert to fraction form
287,409.75/435,090.75 = 435,090.75/x - Step 3: Cross multiply
287,409.75x = 435,090.75 × 435,090.75 - Step 4: Simplify right side
287,409.75x = 189,303,960,735.56 - Step 5: Solve for x
x = 189,303,960,735.56/287,409.75 - Step 6: Final answer
x = 658,655.32
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.