Finding the Third Proportional to 249,486.75 and 381,714.19
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Solution
The third proportional to 249,486.75 and 381,714.19 is: 584,021.88
Step by Step Solution
- Step 1: Write the proportion equation
249,486.75 : 381,714.19 = 381,714.19 : x - Step 2: Convert to fraction form
249,486.75/381,714.19 = 381,714.19/x - Step 3: Cross multiply
249,486.75x = 381,714.19 × 381,714.19 - Step 4: Simplify right side
249,486.75x = 145,705,720,938.79 - Step 5: Solve for x
x = 145,705,720,938.79/249,486.75 - Step 6: Final answer
x = 584,021.88
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.