Finding the Third Proportional to 916,628 and 1,346,847
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Solution
The third proportional to 916,628 and 1,346,847 is: 1,978,989.12
Step by Step Solution
- Step 1: Write the proportion equation
916,628 : 1,346,847 = 1,346,847 : x - Step 2: Convert to fraction form
916,628/1,346,847 = 1,346,847/x - Step 3: Cross multiply
916,628x = 1,346,847 × 1,346,847 - Step 4: Simplify right side
916,628x = 1,813,996,841,409 - Step 5: Solve for x
x = 1,813,996,841,409/916,628 - Step 6: Final answer
x = 1,978,989.12
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.