Finding the Third Proportional to 787,213.69 and 1,215,599.91
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Solution
The third proportional to 787,213.69 and 1,215,599.91 is: 1,877,105.49
Step by Step Solution
- Step 1: Write the proportion equation
787,213.69 : 1,215,599.91 = 1,215,599.91 : x - Step 2: Convert to fraction form
787,213.69/1,215,599.91 = 1,215,599.91/x - Step 3: Cross multiply
787,213.69x = 1,215,599.91 × 1,215,599.91 - Step 4: Simplify right side
787,213.69x = 1,477,683,132,075.01 - Step 5: Solve for x
x = 1,477,683,132,075.01/787,213.69 - Step 6: Final answer
x = 1,877,105.49
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.