Finding the Third Proportional to 8,538,790 and 13,207,194
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Solution
The third proportional to 8,538,790 and 13,207,194 is: 20,427,949.79
Step by Step Solution
- Step 1: Write the proportion equation
8,538,790 : 13,207,194 = 13,207,194 : x - Step 2: Convert to fraction form
8,538,790/13,207,194 = 13,207,194/x - Step 3: Cross multiply
8,538,790x = 13,207,194 × 13,207,194 - Step 4: Simplify right side
8,538,790x = 174,429,973,353,636 - Step 5: Solve for x
x = 174,429,973,353,636/8,538,790 - Step 6: Final answer
x = 20,427,949.79
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.