Finding the Third Proportional to 127,555.88 and 279,303.75
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Solution
The third proportional to 127,555.88 and 279,303.75 is: 611,579.71
Step by Step Solution
- Step 1: Write the proportion equation
127,555.88 : 279,303.75 = 279,303.75 : x - Step 2: Convert to fraction form
127,555.88/279,303.75 = 279,303.75/x - Step 3: Cross multiply
127,555.88x = 279,303.75 × 279,303.75 - Step 4: Simplify right side
127,555.88x = 78,010,584,764.06 - Step 5: Solve for x
x = 78,010,584,764.06/127,555.88 - Step 6: Final answer
x = 611,579.71
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.