Finding the Third Proportional to 147,786.75 and 216,437.63
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Solution
The third proportional to 147,786.75 and 216,437.63 is: 316,978.66
Step by Step Solution
- Step 1: Write the proportion equation
147,786.75 : 216,437.63 = 216,437.63 : x - Step 2: Convert to fraction form
147,786.75/216,437.63 = 216,437.63/x - Step 3: Cross multiply
147,786.75x = 216,437.63 × 216,437.63 - Step 4: Simplify right side
147,786.75x = 46,845,245,515.64 - Step 5: Solve for x
x = 46,845,245,515.64/147,786.75 - Step 6: Final answer
x = 316,978.66
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.