Finding the Third Proportional to 38,878.13 and 81,673.13
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Solution
The third proportional to 38,878.13 and 81,673.13 is: 171,574.62
Step by Step Solution
- Step 1: Write the proportion equation
38,878.13 : 81,673.13 = 81,673.13 : x - Step 2: Convert to fraction form
38,878.13/81,673.13 = 81,673.13/x - Step 3: Cross multiply
38,878.13x = 81,673.13 × 81,673.13 - Step 4: Simplify right side
38,878.13x = 6,670,499,347.27 - Step 5: Solve for x
x = 6,670,499,347.27/38,878.13 - Step 6: Final answer
x = 171,574.62
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.