Finding the Third Proportional to 874,484 and 1,912,480
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Solution
The third proportional to 874,484 and 1,912,480 is: 4,182,557.66
Step by Step Solution
- Step 1: Write the proportion equation
874,484 : 1,912,480 = 1,912,480 : x - Step 2: Convert to fraction form
874,484/1,912,480 = 1,912,480/x - Step 3: Cross multiply
874,484x = 1,912,480 × 1,912,480 - Step 4: Simplify right side
874,484x = 3,657,579,750,400 - Step 5: Solve for x
x = 3,657,579,750,400/874,484 - Step 6: Final answer
x = 4,182,557.66
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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.