Finding the Third Proportional to 138,210.75 and 220,029.75
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Solution
The third proportional to 138,210.75 and 220,029.75 is: 350,284.55
Step by Step Solution
- Step 1: Write the proportion equation
138,210.75 : 220,029.75 = 220,029.75 : x - Step 2: Convert to fraction form
138,210.75/220,029.75 = 220,029.75/x - Step 3: Cross multiply
138,210.75x = 220,029.75 × 220,029.75 - Step 4: Simplify right side
138,210.75x = 48,413,090,885.06 - Step 5: Solve for x
x = 48,413,090,885.06/138,210.75 - Step 6: Final answer
x = 350,284.55
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.