Finding the Third Proportional to 215,718.75 and 338,415.75
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Solution
The third proportional to 215,718.75 and 338,415.75 is: 530,900.63
Step by Step Solution
- Step 1: Write the proportion equation
215,718.75 : 338,415.75 = 338,415.75 : x - Step 2: Convert to fraction form
215,718.75/338,415.75 = 338,415.75/x - Step 3: Cross multiply
215,718.75x = 338,415.75 × 338,415.75 - Step 4: Simplify right side
215,718.75x = 114,525,219,848.06 - Step 5: Solve for x
x = 114,525,219,848.06/215,718.75 - Step 6: Final answer
x = 530,900.63
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.