Finding the Third Proportional to 139,511.25 and 221,721.75
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Solution
The third proportional to 139,511.25 and 221,721.75 is: 352,376.85
Step by Step Solution
- Step 1: Write the proportion equation
139,511.25 : 221,721.75 = 221,721.75 : x - Step 2: Convert to fraction form
139,511.25/221,721.75 = 221,721.75/x - Step 3: Cross multiply
139,511.25x = 221,721.75 × 221,721.75 - Step 4: Simplify right side
139,511.25x = 49,160,534,423.06 - Step 5: Solve for x
x = 49,160,534,423.06/139,511.25 - Step 6: Final answer
x = 352,376.85
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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.