Finding the Third Proportional to 115,531.31 and 156,970.41
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Solution
The third proportional to 115,531.31 and 156,970.41 is: 213,272.99
Step by Step Solution
- Step 1: Write the proportion equation
115,531.31 : 156,970.41 = 156,970.41 : x - Step 2: Convert to fraction form
115,531.31/156,970.41 = 156,970.41/x - Step 3: Cross multiply
115,531.31x = 156,970.41 × 156,970.41 - Step 4: Simplify right side
115,531.31x = 24,639,708,438.29 - Step 5: Solve for x
x = 24,639,708,438.29/115,531.31 - Step 6: Final answer
x = 213,272.99
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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.