Finding the Third Proportional to 15,789 and 36,457.50
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Solution
The third proportional to 15,789 and 36,457.50 is: 84,181.98
Step by Step Solution
- Step 1: Write the proportion equation
15,789 : 36,457.50 = 36,457.50 : x - Step 2: Convert to fraction form
15,789/36,457.50 = 36,457.50/x - Step 3: Cross multiply
15,789x = 36,457.50 × 36,457.50 - Step 4: Simplify right side
15,789x = 1,329,149,306.25 - Step 5: Solve for x
x = 1,329,149,306.25/15,789 - Step 6: Final answer
x = 84,181.98
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.