Finding the Third Proportional to 81,909.75 and 110,070.75
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Solution
The third proportional to 81,909.75 and 110,070.75 is: 147,913.65
Step by Step Solution
- Step 1: Write the proportion equation
81,909.75 : 110,070.75 = 110,070.75 : x - Step 2: Convert to fraction form
81,909.75/110,070.75 = 110,070.75/x - Step 3: Cross multiply
81,909.75x = 110,070.75 × 110,070.75 - Step 4: Simplify right side
81,909.75x = 12,115,570,005.56 - Step 5: Solve for x
x = 12,115,570,005.56/81,909.75 - Step 6: Final answer
x = 147,913.65
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.