Finding the Third Proportional to 542,203.50 and 811,663.50
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Solution
The third proportional to 542,203.50 and 811,663.50 is: 1,215,037.60
Step by Step Solution
- Step 1: Write the proportion equation
542,203.50 : 811,663.50 = 811,663.50 : x - Step 2: Convert to fraction form
542,203.50/811,663.50 = 811,663.50/x - Step 3: Cross multiply
542,203.50x = 811,663.50 × 811,663.50 - Step 4: Simplify right side
542,203.50x = 658,797,637,232.25 - Step 5: Solve for x
x = 658,797,637,232.25/542,203.50 - Step 6: Final answer
x = 1,215,037.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.