Finding the Third Proportional to 66,263.06 and 138,115.13
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Solution
The third proportional to 66,263.06 and 138,115.13 is: 287,879.66
Step by Step Solution
- Step 1: Write the proportion equation
66,263.06 : 138,115.13 = 138,115.13 : x - Step 2: Convert to fraction form
66,263.06/138,115.13 = 138,115.13/x - Step 3: Cross multiply
66,263.06x = 138,115.13 × 138,115.13 - Step 4: Simplify right side
66,263.06x = 19,075,787,753.77 - Step 5: Solve for x
x = 19,075,787,753.77/66,263.06 - Step 6: Final answer
x = 287,879.66
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.