Finding the Third Proportional to 79,228.13 and 107,907.19
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Solution
The third proportional to 79,228.13 and 107,907.19 is: 146,967.52
Step by Step Solution
- Step 1: Write the proportion equation
79,228.13 : 107,907.19 = 107,907.19 : x - Step 2: Convert to fraction form
79,228.13/107,907.19 = 107,907.19/x - Step 3: Cross multiply
79,228.13x = 107,907.19 × 107,907.19 - Step 4: Simplify right side
79,228.13x = 11,643,961,114.16 - Step 5: Solve for x
x = 11,643,961,114.16/79,228.13 - Step 6: Final answer
x = 146,967.52
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.