Finding the Third Proportional to 87,012.75 and 138,455.63
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Solution
The third proportional to 87,012.75 and 138,455.63 is: 220,312.08
Step by Step Solution
- Step 1: Write the proportion equation
87,012.75 : 138,455.63 = 138,455.63 : x - Step 2: Convert to fraction form
87,012.75/138,455.63 = 138,455.63/x - Step 3: Cross multiply
87,012.75x = 138,455.63 × 138,455.63 - Step 4: Simplify right side
87,012.75x = 19,169,960,094.14 - Step 5: Solve for x
x = 19,169,960,094.14/87,012.75 - Step 6: Final answer
x = 220,312.08
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.