Finding the Third Proportional to 420,620.25 and 917,367.75
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Solution
The third proportional to 420,620.25 and 917,367.75 is: 2,000,768.12
Step by Step Solution
- Step 1: Write the proportion equation
420,620.25 : 917,367.75 = 917,367.75 : x - Step 2: Convert to fraction form
420,620.25/917,367.75 = 917,367.75/x - Step 3: Cross multiply
420,620.25x = 917,367.75 × 917,367.75 - Step 4: Simplify right side
420,620.25x = 841,563,588,740.06 - Step 5: Solve for x
x = 841,563,588,740.06/420,620.25 - Step 6: Final answer
x = 2,000,768.12
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.