Finding the Third Proportional to 56,679.75 and 86,379.75
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Solution
The third proportional to 56,679.75 and 86,379.75 is: 131,642.45
Step by Step Solution
- Step 1: Write the proportion equation
56,679.75 : 86,379.75 = 86,379.75 : x - Step 2: Convert to fraction form
56,679.75/86,379.75 = 86,379.75/x - Step 3: Cross multiply
56,679.75x = 86,379.75 × 86,379.75 - Step 4: Simplify right side
56,679.75x = 7,461,461,210.06 - Step 5: Solve for x
x = 7,461,461,210.06/56,679.75 - Step 6: Final answer
x = 131,642.45
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.