Finding the Third Proportional to 811,549.13 and 1,261,623.09
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Solution
The third proportional to 811,549.13 and 1,261,623.09 is: 1,961,301.89
Step by Step Solution
- Step 1: Write the proportion equation
811,549.13 : 1,261,623.09 = 1,261,623.09 : x - Step 2: Convert to fraction form
811,549.13/1,261,623.09 = 1,261,623.09/x - Step 3: Cross multiply
811,549.13x = 1,261,623.09 × 1,261,623.09 - Step 4: Simplify right side
811,549.13x = 1,591,692,830,683.32 - Step 5: Solve for x
x = 1,591,692,830,683.32/811,549.13 - Step 6: Final answer
x = 1,961,301.89
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.