Finding the Third Proportional to 418,538 and 665,171.50
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Solution
The third proportional to 418,538 and 665,171.50 is: 1,057,139.67
Step by Step Solution
- Step 1: Write the proportion equation
418,538 : 665,171.50 = 665,171.50 : x - Step 2: Convert to fraction form
418,538/665,171.50 = 665,171.50/x - Step 3: Cross multiply
418,538x = 665,171.50 × 665,171.50 - Step 4: Simplify right side
418,538x = 442,453,124,412.25 - Step 5: Solve for x
x = 442,453,124,412.25/418,538 - Step 6: Final answer
x = 1,057,139.67
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.