Finding the Third Proportional to 285,130.13 and 423,321.19
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Solution
The third proportional to 285,130.13 and 423,321.19 is: 628,487.88
Step by Step Solution
- Step 1: Write the proportion equation
285,130.13 : 423,321.19 = 423,321.19 : x - Step 2: Convert to fraction form
285,130.13/423,321.19 = 423,321.19/x - Step 3: Cross multiply
285,130.13x = 423,321.19 × 423,321.19 - Step 4: Simplify right side
285,130.13x = 179,200,827,786.41 - Step 5: Solve for x
x = 179,200,827,786.41/285,130.13 - Step 6: Final answer
x = 628,487.88
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.