Finding the Third Proportional to 79,043.25 and 115,605.75
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Solution
The third proportional to 79,043.25 and 115,605.75 is: 169,080.72
Step by Step Solution
- Step 1: Write the proportion equation
79,043.25 : 115,605.75 = 115,605.75 : x - Step 2: Convert to fraction form
79,043.25/115,605.75 = 115,605.75/x - Step 3: Cross multiply
79,043.25x = 115,605.75 × 115,605.75 - Step 4: Simplify right side
79,043.25x = 13,364,689,433.06 - Step 5: Solve for x
x = 13,364,689,433.06/79,043.25 - Step 6: Final answer
x = 169,080.72
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.