Finding the Third Proportional to 172,680 and 266,406
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Solution
The third proportional to 172,680 and 266,406 is: 411,003.92
Step by Step Solution
- Step 1: Write the proportion equation
172,680 : 266,406 = 266,406 : x - Step 2: Convert to fraction form
172,680/266,406 = 266,406/x - Step 3: Cross multiply
172,680x = 266,406 × 266,406 - Step 4: Simplify right side
172,680x = 70,972,156,836 - Step 5: Solve for x
x = 70,972,156,836/172,680 - Step 6: Final answer
x = 411,003.92
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.