Finding the Third Proportional to 207,457.13 and 315,489.75
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Solution
The third proportional to 207,457.13 and 315,489.75 is: 479,780.01
Step by Step Solution
- Step 1: Write the proportion equation
207,457.13 : 315,489.75 = 315,489.75 : x - Step 2: Convert to fraction form
207,457.13/315,489.75 = 315,489.75/x - Step 3: Cross multiply
207,457.13x = 315,489.75 × 315,489.75 - Step 4: Simplify right side
207,457.13x = 99,533,782,355.06 - Step 5: Solve for x
x = 99,533,782,355.06/207,457.13 - Step 6: Final answer
x = 479,780.01
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.