Finding the Third Proportional to 121,664.38 and 162,743.75
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Solution
The third proportional to 121,664.38 and 162,743.75 is: 217,693.37
Step by Step Solution
- Step 1: Write the proportion equation
121,664.38 : 162,743.75 = 162,743.75 : x - Step 2: Convert to fraction form
121,664.38/162,743.75 = 162,743.75/x - Step 3: Cross multiply
121,664.38x = 162,743.75 × 162,743.75 - Step 4: Simplify right side
121,664.38x = 26,485,528,164.06 - Step 5: Solve for x
x = 26,485,528,164.06/121,664.38 - Step 6: Final answer
x = 217,693.37
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.