Finding the Third Proportional to 486,354 and 776,961.75
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Solution
The third proportional to 486,354 and 776,961.75 is: 1,241,214.34
Step by Step Solution
- Step 1: Write the proportion equation
486,354 : 776,961.75 = 776,961.75 : x - Step 2: Convert to fraction form
486,354/776,961.75 = 776,961.75/x - Step 3: Cross multiply
486,354x = 776,961.75 × 776,961.75 - Step 4: Simplify right side
486,354x = 603,669,560,963.06 - Step 5: Solve for x
x = 603,669,560,963.06/486,354 - Step 6: Final answer
x = 1,241,214.34
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.