Finding the Third Proportional to 21,870 and 32,076
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Solution
The third proportional to 21,870 and 32,076 is: 47,044.80
Step by Step Solution
- Step 1: Write the proportion equation
21,870 : 32,076 = 32,076 : x - Step 2: Convert to fraction form
21,870/32,076 = 32,076/x - Step 3: Cross multiply
21,870x = 32,076 × 32,076 - Step 4: Simplify right side
21,870x = 1,028,869,776 - Step 5: Solve for x
x = 1,028,869,776/21,870 - Step 6: Final answer
x = 47,044.80
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.