Finding the Third Proportional to 81,226.13 and 121,165.88
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Solution
The third proportional to 81,226.13 and 121,165.88 is: 180,744.43
Step by Step Solution
- Step 1: Write the proportion equation
81,226.13 : 121,165.88 = 121,165.88 : x - Step 2: Convert to fraction form
81,226.13/121,165.88 = 121,165.88/x - Step 3: Cross multiply
81,226.13x = 121,165.88 × 121,165.88 - Step 4: Simplify right side
81,226.13x = 14,681,169,264.52 - Step 5: Solve for x
x = 14,681,169,264.52/81,226.13 - Step 6: Final answer
x = 180,744.43
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.