Finding the Third Proportional to 561,468 and 1,217,520
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Solution
The third proportional to 561,468 and 1,217,520 is: 2,640,141.47
Step by Step Solution
- Step 1: Write the proportion equation
561,468 : 1,217,520 = 1,217,520 : x - Step 2: Convert to fraction form
561,468/1,217,520 = 1,217,520/x - Step 3: Cross multiply
561,468x = 1,217,520 × 1,217,520 - Step 4: Simplify right side
561,468x = 1,482,354,950,400 - Step 5: Solve for x
x = 1,482,354,950,400/561,468 - Step 6: Final answer
x = 2,640,141.47
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.