Finding the Third Proportional to 561,934 and 839,574
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Solution
The third proportional to 561,934 and 839,574 is: 1,254,390.20
Step by Step Solution
- Step 1: Write the proportion equation
561,934 : 839,574 = 839,574 : x - Step 2: Convert to fraction form
561,934/839,574 = 839,574/x - Step 3: Cross multiply
561,934x = 839,574 × 839,574 - Step 4: Simplify right side
561,934x = 704,884,501,476 - Step 5: Solve for x
x = 704,884,501,476/561,934 - Step 6: Final answer
x = 1,254,390.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.