Finding the Third Proportional to 215,430 and 474,276
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Solution
The third proportional to 215,430 and 474,276 is: 1,044,133.71
Step by Step Solution
- Step 1: Write the proportion equation
215,430 : 474,276 = 474,276 : x - Step 2: Convert to fraction form
215,430/474,276 = 474,276/x - Step 3: Cross multiply
215,430x = 474,276 × 474,276 - Step 4: Simplify right side
215,430x = 224,937,724,176 - Step 5: Solve for x
x = 224,937,724,176/215,430 - Step 6: Final answer
x = 1,044,133.71
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.