Finding the Third Proportional to 438,501.75 and 655,965.75
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Solution
The third proportional to 438,501.75 and 655,965.75 is: 981,275.59
Step by Step Solution
- Step 1: Write the proportion equation
438,501.75 : 655,965.75 = 655,965.75 : x - Step 2: Convert to fraction form
438,501.75/655,965.75 = 655,965.75/x - Step 3: Cross multiply
438,501.75x = 655,965.75 × 655,965.75 - Step 4: Simplify right side
438,501.75x = 430,291,065,173.06 - Step 5: Solve for x
x = 430,291,065,173.06/438,501.75 - Step 6: Final answer
x = 981,275.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.