Finding the Third Proportional to 78,909.19 and 168,125.06
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Solution
The third proportional to 78,909.19 and 168,125.06 is: 358,209.70
Step by Step Solution
- Step 1: Write the proportion equation
78,909.19 : 168,125.06 = 168,125.06 : x - Step 2: Convert to fraction form
78,909.19/168,125.06 = 168,125.06/x - Step 3: Cross multiply
78,909.19x = 168,125.06 × 168,125.06 - Step 4: Simplify right side
78,909.19x = 28,266,036,640.63 - Step 5: Solve for x
x = 28,266,036,640.63/78,909.19 - Step 6: Final answer
x = 358,209.70
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.