Finding the Third Proportional to 73,909.13 and 161,989.88
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Solution
The third proportional to 73,909.13 and 161,989.88 is: 355,040.32
Step by Step Solution
- Step 1: Write the proportion equation
73,909.13 : 161,989.88 = 161,989.88 : x - Step 2: Convert to fraction form
73,909.13/161,989.88 = 161,989.88/x - Step 3: Cross multiply
73,909.13x = 161,989.88 × 161,989.88 - Step 4: Simplify right side
73,909.13x = 26,240,719,602.52 - Step 5: Solve for x
x = 26,240,719,602.52/73,909.13 - Step 6: Final answer
x = 355,040.32
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.