Finding the Third Proportional to 221,565.75 and 343,729.13
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Solution
The third proportional to 221,565.75 and 343,729.13 is: 533,248.99
Step by Step Solution
- Step 1: Write the proportion equation
221,565.75 : 343,729.13 = 343,729.13 : x - Step 2: Convert to fraction form
221,565.75/343,729.13 = 343,729.13/x - Step 3: Cross multiply
221,565.75x = 343,729.13 × 343,729.13 - Step 4: Simplify right side
221,565.75x = 118,149,711,373.27 - Step 5: Solve for x
x = 118,149,711,373.27/221,565.75 - Step 6: Final answer
x = 533,248.99
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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.