Finding the Third Proportional to 270,499.75 and 420,515.75
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Solution
The third proportional to 270,499.75 and 420,515.75 is: 653,728.87
Step by Step Solution
- Step 1: Write the proportion equation
270,499.75 : 420,515.75 = 420,515.75 : x - Step 2: Convert to fraction form
270,499.75/420,515.75 = 420,515.75/x - Step 3: Cross multiply
270,499.75x = 420,515.75 × 420,515.75 - Step 4: Simplify right side
270,499.75x = 176,833,495,998.06 - Step 5: Solve for x
x = 176,833,495,998.06/270,499.75 - Step 6: Final answer
x = 653,728.87
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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.