Finding the Third Proportional to 637,766.79 and 1,387,635.05
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Solution
The third proportional to 637,766.79 and 1,387,635.05 is: 3,019,177.32
Step by Step Solution
- Step 1: Write the proportion equation
637,766.79 : 1,387,635.05 = 1,387,635.05 : x - Step 2: Convert to fraction form
637,766.79/1,387,635.05 = 1,387,635.05/x - Step 3: Cross multiply
637,766.79x = 1,387,635.05 × 1,387,635.05 - Step 4: Simplify right side
637,766.79x = 1,925,531,023,315.78 - Step 5: Solve for x
x = 1,925,531,023,315.78/637,766.79 - Step 6: Final answer
x = 3,019,177.32
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.