Finding the Third Proportional to 678,739.50 and 1,423,575
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Solution
The third proportional to 678,739.50 and 1,423,575 is: 2,985,778.46
Step by Step Solution
- Step 1: Write the proportion equation
678,739.50 : 1,423,575 = 1,423,575 : x - Step 2: Convert to fraction form
678,739.50/1,423,575 = 1,423,575/x - Step 3: Cross multiply
678,739.50x = 1,423,575 × 1,423,575 - Step 4: Simplify right side
678,739.50x = 2,026,565,780,625 - Step 5: Solve for x
x = 2,026,565,780,625/678,739.50 - Step 6: Final answer
x = 2,985,778.46
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.