Finding the Third Proportional to 81,432.75 and 117,477.75
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Solution
The third proportional to 81,432.75 and 117,477.75 is: 169,477.54
Step by Step Solution
- Step 1: Write the proportion equation
81,432.75 : 117,477.75 = 117,477.75 : x - Step 2: Convert to fraction form
81,432.75/117,477.75 = 117,477.75/x - Step 3: Cross multiply
81,432.75x = 117,477.75 × 117,477.75 - Step 4: Simplify right side
81,432.75x = 13,801,021,745.06 - Step 5: Solve for x
x = 13,801,021,745.06/81,432.75 - Step 6: Final answer
x = 169,477.54
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.