Finding the Third Proportional to 83,990.25 and 130,052.25
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Solution
The third proportional to 83,990.25 and 130,052.25 is: 201,375.61
Step by Step Solution
- Step 1: Write the proportion equation
83,990.25 : 130,052.25 = 130,052.25 : x - Step 2: Convert to fraction form
83,990.25/130,052.25 = 130,052.25/x - Step 3: Cross multiply
83,990.25x = 130,052.25 × 130,052.25 - Step 4: Simplify right side
83,990.25x = 16,913,587,730.06 - Step 5: Solve for x
x = 16,913,587,730.06/83,990.25 - Step 6: Final answer
x = 201,375.61
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.