Finding the Third Proportional to 438,637.50 and 911,740.50
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Solution
The third proportional to 438,637.50 and 911,740.50 is: 1,895,120.09
Step by Step Solution
- Step 1: Write the proportion equation
438,637.50 : 911,740.50 = 911,740.50 : x - Step 2: Convert to fraction form
438,637.50/911,740.50 = 911,740.50/x - Step 3: Cross multiply
438,637.50x = 911,740.50 × 911,740.50 - Step 4: Simplify right side
438,637.50x = 831,270,739,340.25 - Step 5: Solve for x
x = 831,270,739,340.25/438,637.50 - Step 6: Final answer
x = 1,895,120.09
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.