Finding the Third Proportional to 438,225.75 and 657,609.75
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Solution
The third proportional to 438,225.75 and 657,609.75 is: 986,821.48
Step by Step Solution
- Step 1: Write the proportion equation
438,225.75 : 657,609.75 = 657,609.75 : x - Step 2: Convert to fraction form
438,225.75/657,609.75 = 657,609.75/x - Step 3: Cross multiply
438,225.75x = 657,609.75 × 657,609.75 - Step 4: Simplify right side
438,225.75x = 432,450,583,295.06 - Step 5: Solve for x
x = 432,450,583,295.06/438,225.75 - Step 6: Final answer
x = 986,821.48
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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.