Finding the Third Proportional to 87,788 and 136,140
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Solution
The third proportional to 87,788 and 136,140 is: 211,123.38
Step by Step Solution
- Step 1: Write the proportion equation
87,788 : 136,140 = 136,140 : x - Step 2: Convert to fraction form
87,788/136,140 = 136,140/x - Step 3: Cross multiply
87,788x = 136,140 × 136,140 - Step 4: Simplify right side
87,788x = 18,534,099,600 - Step 5: Solve for x
x = 18,534,099,600/87,788 - Step 6: Final answer
x = 211,123.38
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.