Finding the Third Proportional to 120,354.19 and 185,721.19
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Solution
The third proportional to 120,354.19 and 185,721.19 is: 286,590.44
Step by Step Solution
- Step 1: Write the proportion equation
120,354.19 : 185,721.19 = 185,721.19 : x - Step 2: Convert to fraction form
120,354.19/185,721.19 = 185,721.19/x - Step 3: Cross multiply
120,354.19x = 185,721.19 × 185,721.19 - Step 4: Simplify right side
120,354.19x = 34,492,359,486.41 - Step 5: Solve for x
x = 34,492,359,486.41/120,354.19 - Step 6: Final answer
x = 286,590.44
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.