Finding the Third Proportional to 78,654.50 and 170,430.50
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Solution
The third proportional to 78,654.50 and 170,430.50 is: 369,292.99
Step by Step Solution
- Step 1: Write the proportion equation
78,654.50 : 170,430.50 = 170,430.50 : x - Step 2: Convert to fraction form
78,654.50/170,430.50 = 170,430.50/x - Step 3: Cross multiply
78,654.50x = 170,430.50 × 170,430.50 - Step 4: Simplify right side
78,654.50x = 29,046,555,330.25 - Step 5: Solve for x
x = 29,046,555,330.25/78,654.50 - Step 6: Final answer
x = 369,292.99
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.