Finding the Third Proportional to 84,169.13 and 129,210.19
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Solution
The third proportional to 84,169.13 and 129,210.19 is: 198,353.88
Step by Step Solution
- Step 1: Write the proportion equation
84,169.13 : 129,210.19 = 129,210.19 : x - Step 2: Convert to fraction form
84,169.13/129,210.19 = 129,210.19/x - Step 3: Cross multiply
84,169.13x = 129,210.19 × 129,210.19 - Step 4: Simplify right side
84,169.13x = 16,695,272,553.79 - Step 5: Solve for x
x = 16,695,272,553.79/84,169.13 - Step 6: Final answer
x = 198,353.88
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.