Finding the Third Proportional to 28,820 and 42,294
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Solution
The third proportional to 28,820 and 42,294 is: 62,067.40
Step by Step Solution
- Step 1: Write the proportion equation
28,820 : 42,294 = 42,294 : x - Step 2: Convert to fraction form
28,820/42,294 = 42,294/x - Step 3: Cross multiply
28,820x = 42,294 × 42,294 - Step 4: Simplify right side
28,820x = 1,788,782,436 - Step 5: Solve for x
x = 1,788,782,436/28,820 - Step 6: Final answer
x = 62,067.40
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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.