Finding the Third Proportional to 420,918.19 and 923,329.13
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Solution
The third proportional to 420,918.19 and 923,329.13 is: 2,025,421.33
Step by Step Solution
- Step 1: Write the proportion equation
420,918.19 : 923,329.13 = 923,329.13 : x - Step 2: Convert to fraction form
420,918.19/923,329.13 = 923,329.13/x - Step 3: Cross multiply
420,918.19x = 923,329.13 × 923,329.13 - Step 4: Simplify right side
420,918.19x = 852,536,673,073.27 - Step 5: Solve for x
x = 852,536,673,073.27/420,918.19 - Step 6: Final answer
x = 2,025,421.33
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.