Finding the Third Proportional to 75,530.63 and 105,879.75
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Solution
The third proportional to 75,530.63 and 105,879.75 is: 148,423.52
Step by Step Solution
- Step 1: Write the proportion equation
75,530.63 : 105,879.75 = 105,879.75 : x - Step 2: Convert to fraction form
75,530.63/105,879.75 = 105,879.75/x - Step 3: Cross multiply
75,530.63x = 105,879.75 × 105,879.75 - Step 4: Simplify right side
75,530.63x = 11,210,521,460.06 - Step 5: Solve for x
x = 11,210,521,460.06/75,530.63 - Step 6: Final answer
x = 148,423.52
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.