Finding the Third Proportional to 135,938.25 and 215,925.75
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Solution
The third proportional to 135,938.25 and 215,925.75 is: 342,978.74
Step by Step Solution
- Step 1: Write the proportion equation
135,938.25 : 215,925.75 = 215,925.75 : x - Step 2: Convert to fraction form
135,938.25/215,925.75 = 215,925.75/x - Step 3: Cross multiply
135,938.25x = 215,925.75 × 215,925.75 - Step 4: Simplify right side
135,938.25x = 46,623,929,513.06 - Step 5: Solve for x
x = 46,623,929,513.06/135,938.25 - Step 6: Final answer
x = 342,978.74
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.