Finding the Third Proportional to 438,862.50 and 655,413.75
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Solution
The third proportional to 438,862.50 and 655,413.75 is: 978,819.52
Step by Step Solution
- Step 1: Write the proportion equation
438,862.50 : 655,413.75 = 655,413.75 : x - Step 2: Convert to fraction form
438,862.50/655,413.75 = 655,413.75/x - Step 3: Cross multiply
438,862.50x = 655,413.75 × 655,413.75 - Step 4: Simplify right side
438,862.50x = 429,567,183,689.06 - Step 5: Solve for x
x = 429,567,183,689.06/438,862.50 - Step 6: Final answer
x = 978,819.52
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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.