Finding the Third Proportional to 79,918.13 and 133,178.06
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Solution
The third proportional to 79,918.13 and 133,178.06 is: 221,932.09
Step by Step Solution
- Step 1: Write the proportion equation
79,918.13 : 133,178.06 = 133,178.06 : x - Step 2: Convert to fraction form
79,918.13/133,178.06 = 133,178.06/x - Step 3: Cross multiply
79,918.13x = 133,178.06 × 133,178.06 - Step 4: Simplify right side
79,918.13x = 17,736,396,331.25 - Step 5: Solve for x
x = 17,736,396,331.25/79,918.13 - Step 6: Final answer
x = 221,932.09
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.