Finding the Third Proportional to 420,715.75 and 917,580.75
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Solution
The third proportional to 420,715.75 and 917,580.75 is: 2,001,242.96
Step by Step Solution
- Step 1: Write the proportion equation
420,715.75 : 917,580.75 = 917,580.75 : x - Step 2: Convert to fraction form
420,715.75/917,580.75 = 917,580.75/x - Step 3: Cross multiply
420,715.75x = 917,580.75 × 917,580.75 - Step 4: Simplify right side
420,715.75x = 841,954,432,770.56 - Step 5: Solve for x
x = 841,954,432,770.56/420,715.75 - Step 6: Final answer
x = 2,001,242.96
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.