Finding the Third Proportional to 715,288 and 1,489,328
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Solution
The third proportional to 715,288 and 1,489,328 is: 3,100,985.75
Step by Step Solution
- Step 1: Write the proportion equation
715,288 : 1,489,328 = 1,489,328 : x - Step 2: Convert to fraction form
715,288/1,489,328 = 1,489,328/x - Step 3: Cross multiply
715,288x = 1,489,328 × 1,489,328 - Step 4: Simplify right side
715,288x = 2,218,097,891,584 - Step 5: Solve for x
x = 2,218,097,891,584/715,288 - Step 6: Final answer
x = 3,100,985.75
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.