Finding the Third Proportional to 310,523.63 and 421,036.31
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Solution
The third proportional to 310,523.63 and 421,036.31 is: 570,879.52
Step by Step Solution
- Step 1: Write the proportion equation
310,523.63 : 421,036.31 = 421,036.31 : x - Step 2: Convert to fraction form
310,523.63/421,036.31 = 421,036.31/x - Step 3: Cross multiply
310,523.63x = 421,036.31 × 421,036.31 - Step 4: Simplify right side
310,523.63x = 177,271,576,443.60 - Step 5: Solve for x
x = 177,271,576,443.60/310,523.63 - Step 6: Final answer
x = 570,879.52
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.