Finding the Third Proportional to 358,394.63 and 781,989.19
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Solution
The third proportional to 358,394.63 and 781,989.19 is: 1,706,239.57
Step by Step Solution
- Step 1: Write the proportion equation
358,394.63 : 781,989.19 = 781,989.19 : x - Step 2: Convert to fraction form
358,394.63/781,989.19 = 781,989.19/x - Step 3: Cross multiply
358,394.63x = 781,989.19 × 781,989.19 - Step 4: Simplify right side
358,394.63x = 611,507,089,366.91 - Step 5: Solve for x
x = 611,507,089,366.91/358,394.63 - Step 6: Final answer
x = 1,706,239.57
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.