Finding the Third Proportional to 221,678.25 and 343,953.75
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Solution
The third proportional to 221,678.25 and 343,953.75 is: 533,675.19
Step by Step Solution
- Step 1: Write the proportion equation
221,678.25 : 343,953.75 = 343,953.75 : x - Step 2: Convert to fraction form
221,678.25/343,953.75 = 343,953.75/x - Step 3: Cross multiply
221,678.25x = 343,953.75 × 343,953.75 - Step 4: Simplify right side
221,678.25x = 118,304,182,139.06 - Step 5: Solve for x
x = 118,304,182,139.06/221,678.25 - Step 6: Final answer
x = 533,675.19
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.