Finding the Third Proportional to 287,228.63 and 438,619.13
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Solution
The third proportional to 287,228.63 and 438,619.13 is: 669,803.49
Step by Step Solution
- Step 1: Write the proportion equation
287,228.63 : 438,619.13 = 438,619.13 : x - Step 2: Convert to fraction form
287,228.63/438,619.13 = 438,619.13/x - Step 3: Cross multiply
287,228.63x = 438,619.13 × 438,619.13 - Step 4: Simplify right side
287,228.63x = 192,386,736,815.77 - Step 5: Solve for x
x = 192,386,736,815.77/287,228.63 - Step 6: Final answer
x = 669,803.49
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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.