Finding the Third Proportional to 438,783.75 and 655,296.75
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Solution
The third proportional to 438,783.75 and 655,296.75 is: 978,645.70
Step by Step Solution
- Step 1: Write the proportion equation
438,783.75 : 655,296.75 = 655,296.75 : x - Step 2: Convert to fraction form
438,783.75/655,296.75 = 655,296.75/x - Step 3: Cross multiply
438,783.75x = 655,296.75 × 655,296.75 - Step 4: Simplify right side
438,783.75x = 429,413,830,560.56 - Step 5: Solve for x
x = 429,413,830,560.56/438,783.75 - Step 6: Final answer
x = 978,645.70
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.