Finding the Third Proportional to 874,293 and 1,390,209
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Solution
The third proportional to 874,293 and 1,390,209 is: 2,210,564.49
Step by Step Solution
- Step 1: Write the proportion equation
874,293 : 1,390,209 = 1,390,209 : x - Step 2: Convert to fraction form
874,293/1,390,209 = 1,390,209/x - Step 3: Cross multiply
874,293x = 1,390,209 × 1,390,209 - Step 4: Simplify right side
874,293x = 1,932,681,063,681 - Step 5: Solve for x
x = 1,932,681,063,681/874,293 - Step 6: Final answer
x = 2,210,564.49
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.