Finding the Third Proportional to 747,720 and 1,621,637
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Solution
The third proportional to 747,720 and 1,621,637 is: 3,516,966.99
Step by Step Solution
- Step 1: Write the proportion equation
747,720 : 1,621,637 = 1,621,637 : x - Step 2: Convert to fraction form
747,720/1,621,637 = 1,621,637/x - Step 3: Cross multiply
747,720x = 1,621,637 × 1,621,637 - Step 4: Simplify right side
747,720x = 2,629,706,559,769 - Step 5: Solve for x
x = 2,629,706,559,769/747,720 - Step 6: Final answer
x = 3,516,966.99
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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.