Finding the Third Proportional to 137,508.75 and 205,413.75
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Solution
The third proportional to 137,508.75 and 205,413.75 is: 306,851.81
Step by Step Solution
- Step 1: Write the proportion equation
137,508.75 : 205,413.75 = 205,413.75 : x - Step 2: Convert to fraction form
137,508.75/205,413.75 = 205,413.75/x - Step 3: Cross multiply
137,508.75x = 205,413.75 × 205,413.75 - Step 4: Simplify right side
137,508.75x = 42,194,808,689.06 - Step 5: Solve for x
x = 42,194,808,689.06/137,508.75 - Step 6: Final answer
x = 306,851.81
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.