Finding the Third Proportional to 7,190,402.56 and 9,717,861.69
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Solution
The third proportional to 7,190,402.56 and 9,717,861.69 is: 13,133,734.16
Step by Step Solution
- Step 1: Write the proportion equation
7,190,402.56 : 9,717,861.69 = 9,717,861.69 : x - Step 2: Convert to fraction form
7,190,402.56/9,717,861.69 = 9,717,861.69/x - Step 3: Cross multiply
7,190,402.56x = 9,717,861.69 × 9,717,861.69 - Step 4: Simplify right side
7,190,402.56x = 94,436,835,777,380.34 - Step 5: Solve for x
x = 94,436,835,777,380.34/7,190,402.56 - Step 6: Final answer
x = 13,133,734.16
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.