Finding the Third Proportional to 113,910.75 and 121,929.75
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Solution
The third proportional to 113,910.75 and 121,929.75 is: 130,513.27
Step by Step Solution
- Step 1: Write the proportion equation
113,910.75 : 121,929.75 = 121,929.75 : x - Step 2: Convert to fraction form
113,910.75/121,929.75 = 121,929.75/x - Step 3: Cross multiply
113,910.75x = 121,929.75 × 121,929.75 - Step 4: Simplify right side
113,910.75x = 14,866,863,935.06 - Step 5: Solve for x
x = 14,866,863,935.06/113,910.75 - Step 6: Final answer
x = 130,513.27
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These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.