Finding the Third Proportional to 66,618 and 143,118
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Solution
The third proportional to 66,618 and 143,118 is: 307,465.88
Step by Step Solution
- Step 1: Write the proportion equation
66,618 : 143,118 = 143,118 : x - Step 2: Convert to fraction form
66,618/143,118 = 143,118/x - Step 3: Cross multiply
66,618x = 143,118 × 143,118 - Step 4: Simplify right side
66,618x = 20,482,761,924 - Step 5: Solve for x
x = 20,482,761,924/66,618 - Step 6: Final answer
x = 307,465.88
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.