Finding the Third Proportional to 72,991.13 and 106,251.75
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Solution
The third proportional to 72,991.13 and 106,251.75 is: 154,668.59
Step by Step Solution
- Step 1: Write the proportion equation
72,991.13 : 106,251.75 = 106,251.75 : x - Step 2: Convert to fraction form
72,991.13/106,251.75 = 106,251.75/x - Step 3: Cross multiply
72,991.13x = 106,251.75 × 106,251.75 - Step 4: Simplify right side
72,991.13x = 11,289,434,378.06 - Step 5: Solve for x
x = 11,289,434,378.06/72,991.13 - Step 6: Final answer
x = 154,668.59
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.