Finding the Third Proportional to 55,447.88 and 121,965.75
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Solution
The third proportional to 55,447.88 and 121,965.75 is: 268,281.59
Step by Step Solution
- Step 1: Write the proportion equation
55,447.88 : 121,965.75 = 121,965.75 : x - Step 2: Convert to fraction form
55,447.88/121,965.75 = 121,965.75/x - Step 3: Cross multiply
55,447.88x = 121,965.75 × 121,965.75 - Step 4: Simplify right side
55,447.88x = 14,875,644,173.06 - Step 5: Solve for x
x = 14,875,644,173.06/55,447.88 - Step 6: Final answer
x = 268,281.59
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.