Finding the Third Proportional to 81,475.88 and 124,638.75
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Solution
The third proportional to 81,475.88 and 124,638.75 is: 190,667.70
Step by Step Solution
- Step 1: Write the proportion equation
81,475.88 : 124,638.75 = 124,638.75 : x - Step 2: Convert to fraction form
81,475.88/124,638.75 = 124,638.75/x - Step 3: Cross multiply
81,475.88x = 124,638.75 × 124,638.75 - Step 4: Simplify right side
81,475.88x = 15,534,818,001.56 - Step 5: Solve for x
x = 15,534,818,001.56/81,475.88 - Step 6: Final answer
x = 190,667.70
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.