Finding the Third Proportional to 66,078 and 138,618
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Solution
The third proportional to 66,078 and 138,618 is: 290,791.94
Step by Step Solution
- Step 1: Write the proportion equation
66,078 : 138,618 = 138,618 : x - Step 2: Convert to fraction form
66,078/138,618 = 138,618/x - Step 3: Cross multiply
66,078x = 138,618 × 138,618 - Step 4: Simplify right side
66,078x = 19,214,949,924 - Step 5: Solve for x
x = 19,214,949,924/66,078 - Step 6: Final answer
x = 290,791.94
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.