Finding the Third Proportional to 156,921 and 386,927
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Solution
The third proportional to 156,921 and 386,927 is: 954,062.89
Step by Step Solution
- Step 1: Write the proportion equation
156,921 : 386,927 = 386,927 : x - Step 2: Convert to fraction form
156,921/386,927 = 386,927/x - Step 3: Cross multiply
156,921x = 386,927 × 386,927 - Step 4: Simplify right side
156,921x = 149,712,503,329 - Step 5: Solve for x
x = 149,712,503,329/156,921 - Step 6: Final answer
x = 954,062.89
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Why These Related Problems?
These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.