Finding the Third Proportional to 73,813.78 and 161,655.19
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Solution
The third proportional to 73,813.78 and 161,655.19 is: 354,031.45
Step by Step Solution
- Step 1: Write the proportion equation
73,813.78 : 161,655.19 = 161,655.19 : x - Step 2: Convert to fraction form
73,813.78/161,655.19 = 161,655.19/x - Step 3: Cross multiply
73,813.78x = 161,655.19 × 161,655.19 - Step 4: Simplify right side
73,813.78x = 26,132,399,645.66 - Step 5: Solve for x
x = 26,132,399,645.66/73,813.78 - Step 6: Final answer
x = 354,031.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.