Finding the Third Proportional to 102,930.75 and 121,631.63
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Solution
The third proportional to 102,930.75 and 121,631.63 is: 143,730.15
Step by Step Solution
- Step 1: Write the proportion equation
102,930.75 : 121,631.63 = 121,631.63 : x - Step 2: Convert to fraction form
102,930.75/121,631.63 = 121,631.63/x - Step 3: Cross multiply
102,930.75x = 121,631.63 × 121,631.63 - Step 4: Simplify right side
102,930.75x = 14,794,252,200.14 - Step 5: Solve for x
x = 14,794,252,200.14/102,930.75 - Step 6: Final answer
x = 143,730.15
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.