Finding the Third Proportional to 188,309.81 and 291,918.94
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Solution
The third proportional to 188,309.81 and 291,918.94 is: 452,534.39
Step by Step Solution
- Step 1: Write the proportion equation
188,309.81 : 291,918.94 = 291,918.94 : x - Step 2: Convert to fraction form
188,309.81/291,918.94 = 291,918.94/x - Step 3: Cross multiply
188,309.81x = 291,918.94 × 291,918.94 - Step 4: Simplify right side
188,309.81x = 85,216,666,071.13 - Step 5: Solve for x
x = 85,216,666,071.13/188,309.81 - Step 6: Final answer
x = 452,534.39
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.