Finding the Third Proportional to 30,142 and 63,038
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Solution
The third proportional to 30,142 and 63,038 is: 131,835.63
Step by Step Solution
- Step 1: Write the proportion equation
30,142 : 63,038 = 63,038 : x - Step 2: Convert to fraction form
30,142/63,038 = 63,038/x - Step 3: Cross multiply
30,142x = 63,038 × 63,038 - Step 4: Simplify right side
30,142x = 3,973,789,444 - Step 5: Solve for x
x = 3,973,789,444/30,142 - Step 6: Final answer
x = 131,835.63
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.