Finding the Third Proportional to 289,644.19 and 432,825.19
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Solution
The third proportional to 289,644.19 and 432,825.19 is: 646,785.44
Step by Step Solution
- Step 1: Write the proportion equation
289,644.19 : 432,825.19 = 432,825.19 : x - Step 2: Convert to fraction form
289,644.19/432,825.19 = 432,825.19/x - Step 3: Cross multiply
289,644.19x = 432,825.19 × 432,825.19 - Step 4: Simplify right side
289,644.19x = 187,337,642,934.41 - Step 5: Solve for x
x = 187,337,642,934.41/289,644.19 - Step 6: Final answer
x = 646,785.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.