Finding the Third Proportional to 420,602.63 and 917,334.49
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Solution
The third proportional to 420,602.63 and 917,334.49 is: 2,000,706.89
Step by Step Solution
- Step 1: Write the proportion equation
420,602.63 : 917,334.49 = 917,334.49 : x - Step 2: Convert to fraction form
420,602.63/917,334.49 = 917,334.49/x - Step 3: Cross multiply
420,602.63x = 917,334.49 × 917,334.49 - Step 4: Simplify right side
420,602.63x = 841,502,570,556.90 - Step 5: Solve for x
x = 841,502,570,556.90/420,602.63 - Step 6: Final answer
x = 2,000,706.89
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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.