Finding the Third Proportional to 138,358.13 and 211,552.31
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Solution
The third proportional to 138,358.13 and 211,552.31 is: 323,467.67
Step by Step Solution
- Step 1: Write the proportion equation
138,358.13 : 211,552.31 = 211,552.31 : x - Step 2: Convert to fraction form
138,358.13/211,552.31 = 211,552.31/x - Step 3: Cross multiply
138,358.13x = 211,552.31 × 211,552.31 - Step 4: Simplify right side
138,358.13x = 44,754,380,924.10 - Step 5: Solve for x
x = 44,754,380,924.10/138,358.13 - Step 6: Final answer
x = 323,467.67
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.