Finding the Third Proportional to 3,415.50 and 5,430.94
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Solution
The third proportional to 3,415.50 and 5,430.94 is: 8,635.66
Step by Step Solution
- Step 1: Write the proportion equation
3,415.50 : 5,430.94 = 5,430.94 : x - Step 2: Convert to fraction form
3,415.50/5,430.94 = 5,430.94/x - Step 3: Cross multiply
3,415.50x = 5,430.94 × 5,430.94 - Step 4: Simplify right side
3,415.50x = 29,495,082.13 - Step 5: Solve for x
x = 29,495,082.13/3,415.50 - Step 6: Final answer
x = 8,635.66
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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.