Finding the Third Proportional to 53,551.13 and 81,465.75
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Solution
The third proportional to 53,551.13 and 81,465.75 is: 123,931.45
Step by Step Solution
- Step 1: Write the proportion equation
53,551.13 : 81,465.75 = 81,465.75 : x - Step 2: Convert to fraction form
53,551.13/81,465.75 = 81,465.75/x - Step 3: Cross multiply
53,551.13x = 81,465.75 × 81,465.75 - Step 4: Simplify right side
53,551.13x = 6,636,668,423.06 - Step 5: Solve for x
x = 6,636,668,423.06/53,551.13 - Step 6: Final answer
x = 123,931.45
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.