Finding the Third Proportional to 589,683 and 1,279,485
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Solution
The third proportional to 589,683 and 1,279,485 is: 2,776,206.65
Step by Step Solution
- Step 1: Write the proportion equation
589,683 : 1,279,485 = 1,279,485 : x - Step 2: Convert to fraction form
589,683/1,279,485 = 1,279,485/x - Step 3: Cross multiply
589,683x = 1,279,485 × 1,279,485 - Step 4: Simplify right side
589,683x = 1,637,081,865,225 - Step 5: Solve for x
x = 1,637,081,865,225/589,683 - Step 6: Final answer
x = 2,776,206.65
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.