Finding the Third Proportional to 291,245.63 and 391,407.19
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Solution
The third proportional to 291,245.63 and 391,407.19 is: 526,015.07
Step by Step Solution
- Step 1: Write the proportion equation
291,245.63 : 391,407.19 = 391,407.19 : x - Step 2: Convert to fraction form
291,245.63/391,407.19 = 391,407.19/x - Step 3: Cross multiply
291,245.63x = 391,407.19 × 391,407.19 - Step 4: Simplify right side
291,245.63x = 153,199,586,426.66 - Step 5: Solve for x
x = 153,199,586,426.66/291,245.63 - Step 6: Final answer
x = 526,015.07
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.