Finding the Third Proportional to 75,840.21 and 163,506.01
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Solution
The third proportional to 75,840.21 and 163,506.01 is: 352,507.18
Step by Step Solution
- Step 1: Write the proportion equation
75,840.21 : 163,506.01 = 163,506.01 : x - Step 2: Convert to fraction form
75,840.21/163,506.01 = 163,506.01/x - Step 3: Cross multiply
75,840.21x = 163,506.01 × 163,506.01 - Step 4: Simplify right side
75,840.21x = 26,734,216,826.22 - Step 5: Solve for x
x = 26,734,216,826.22/75,840.21 - Step 6: Final answer
x = 352,507.18
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.