Finding the Third Proportional to 81,469.13 and 170,385.75
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Solution
The third proportional to 81,469.13 and 170,385.75 is: 356,347.31
Step by Step Solution
- Step 1: Write the proportion equation
81,469.13 : 170,385.75 = 170,385.75 : x - Step 2: Convert to fraction form
81,469.13/170,385.75 = 170,385.75/x - Step 3: Cross multiply
81,469.13x = 170,385.75 × 170,385.75 - Step 4: Simplify right side
81,469.13x = 29,031,303,803.06 - Step 5: Solve for x
x = 29,031,303,803.06/81,469.13 - Step 6: Final answer
x = 356,347.31
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These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.