Finding the Third Proportional to 703,260 and 1,089,639
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Solution
The third proportional to 703,260 and 1,089,639 is: 1,688,298.99
Step by Step Solution
- Step 1: Write the proportion equation
703,260 : 1,089,639 = 1,089,639 : x - Step 2: Convert to fraction form
703,260/1,089,639 = 1,089,639/x - Step 3: Cross multiply
703,260x = 1,089,639 × 1,089,639 - Step 4: Simplify right side
703,260x = 1,187,313,150,321 - Step 5: Solve for x
x = 1,187,313,150,321/703,260 - Step 6: Final answer
x = 1,688,298.99
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.