Finding the Third Proportional to 286,085.25 and 420,369.75
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Solution
The third proportional to 286,085.25 and 420,369.75 is: 617,685.56
Step by Step Solution
- Step 1: Write the proportion equation
286,085.25 : 420,369.75 = 420,369.75 : x - Step 2: Convert to fraction form
286,085.25/420,369.75 = 420,369.75/x - Step 3: Cross multiply
286,085.25x = 420,369.75 × 420,369.75 - Step 4: Simplify right side
286,085.25x = 176,710,726,715.06 - Step 5: Solve for x
x = 176,710,726,715.06/286,085.25 - Step 6: Final answer
x = 617,685.56
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.