Finding the Third Proportional to 78,898.50 and 163,619.50
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Solution
The third proportional to 78,898.50 and 163,619.50 is: 339,313.69
Step by Step Solution
- Step 1: Write the proportion equation
78,898.50 : 163,619.50 = 163,619.50 : x - Step 2: Convert to fraction form
78,898.50/163,619.50 = 163,619.50/x - Step 3: Cross multiply
78,898.50x = 163,619.50 × 163,619.50 - Step 4: Simplify right side
78,898.50x = 26,771,340,780.25 - Step 5: Solve for x
x = 26,771,340,780.25/78,898.50 - Step 6: Final answer
x = 339,313.69
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These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.