Finding the Third Proportional to 19,090.13 and 39,489.75
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Solution
The third proportional to 19,090.13 and 39,489.75 is: 81,688.33
Step by Step Solution
- Step 1: Write the proportion equation
19,090.13 : 39,489.75 = 39,489.75 : x - Step 2: Convert to fraction form
19,090.13/39,489.75 = 39,489.75/x - Step 3: Cross multiply
19,090.13x = 39,489.75 × 39,489.75 - Step 4: Simplify right side
19,090.13x = 1,559,440,355.06 - Step 5: Solve for x
x = 1,559,440,355.06/19,090.13 - Step 6: Final answer
x = 81,688.33
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.