Finding the Third Proportional to 85,303.13 and 129,129.19
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Solution
The third proportional to 85,303.13 and 129,129.19 is: 195,471.70
Step by Step Solution
- Step 1: Write the proportion equation
85,303.13 : 129,129.19 = 129,129.19 : x - Step 2: Convert to fraction form
85,303.13/129,129.19 = 129,129.19/x - Step 3: Cross multiply
85,303.13x = 129,129.19 × 129,129.19 - Step 4: Simplify right side
85,303.13x = 16,674,347,064.41 - Step 5: Solve for x
x = 16,674,347,064.41/85,303.13 - Step 6: Final answer
x = 195,471.70
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.