Finding the Third Proportional to 115,457.63 and 172,725.75
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Solution
The third proportional to 115,457.63 and 172,725.75 is: 258,399.43
Step by Step Solution
- Step 1: Write the proportion equation
115,457.63 : 172,725.75 = 172,725.75 : x - Step 2: Convert to fraction form
115,457.63/172,725.75 = 172,725.75/x - Step 3: Cross multiply
115,457.63x = 172,725.75 × 172,725.75 - Step 4: Simplify right side
115,457.63x = 29,834,184,713.06 - Step 5: Solve for x
x = 29,834,184,713.06/115,457.63 - Step 6: Final answer
x = 258,399.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.