Finding the Third Proportional to 486,351.21 and 776,957.38
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Solution
The third proportional to 486,351.21 and 776,957.38 is: 1,241,207.50
Step by Step Solution
- Step 1: Write the proportion equation
486,351.21 : 776,957.38 = 776,957.38 : x - Step 2: Convert to fraction form
486,351.21/776,957.38 = 776,957.38/x - Step 3: Cross multiply
486,351.21x = 776,957.38 × 776,957.38 - Step 4: Simplify right side
486,351.21x = 603,662,768,636.87 - Step 5: Solve for x
x = 603,662,768,636.87/486,351.21 - Step 6: Final answer
x = 1,241,207.50
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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.