Finding the Third Proportional to 270,631.13 and 378,358.13
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Solution
The third proportional to 270,631.13 and 378,358.13 is: 528,966.77
Step by Step Solution
- Step 1: Write the proportion equation
270,631.13 : 378,358.13 = 378,358.13 : x - Step 2: Convert to fraction form
270,631.13/378,358.13 = 378,358.13/x - Step 3: Cross multiply
270,631.13x = 378,358.13 × 378,358.13 - Step 4: Simplify right side
270,631.13x = 143,154,870,753.52 - Step 5: Solve for x
x = 143,154,870,753.52/270,631.13 - Step 6: Final answer
x = 528,966.77
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.