Finding the Third Proportional to 276,312.88 and 439,378.75
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Solution
The third proportional to 276,312.88 and 439,378.75 is: 698,677.85
Step by Step Solution
- Step 1: Write the proportion equation
276,312.88 : 439,378.75 = 439,378.75 : x - Step 2: Convert to fraction form
276,312.88/439,378.75 = 439,378.75/x - Step 3: Cross multiply
276,312.88x = 439,378.75 × 439,378.75 - Step 4: Simplify right side
276,312.88x = 193,053,685,951.56 - Step 5: Solve for x
x = 193,053,685,951.56/276,312.88 - Step 6: Final answer
x = 698,677.85
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.