Finding the Third Proportional to 310,515.75 and 455,550.75
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Solution
The third proportional to 310,515.75 and 455,550.75 is: 668,328.37
Step by Step Solution
- Step 1: Write the proportion equation
310,515.75 : 455,550.75 = 455,550.75 : x - Step 2: Convert to fraction form
310,515.75/455,550.75 = 455,550.75/x - Step 3: Cross multiply
310,515.75x = 455,550.75 × 455,550.75 - Step 4: Simplify right side
310,515.75x = 207,526,485,825.56 - Step 5: Solve for x
x = 207,526,485,825.56/310,515.75 - Step 6: Final answer
x = 668,328.37
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.