Finding the Third Proportional to 639,261 and 1,378,153.50
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Solution
The third proportional to 639,261 and 1,378,153.50 is: 2,971,097.99
Step by Step Solution
- Step 1: Write the proportion equation
639,261 : 1,378,153.50 = 1,378,153.50 : x - Step 2: Convert to fraction form
639,261/1,378,153.50 = 1,378,153.50/x - Step 3: Cross multiply
639,261x = 1,378,153.50 × 1,378,153.50 - Step 4: Simplify right side
639,261x = 1,899,307,069,562.25 - Step 5: Solve for x
x = 1,899,307,069,562.25/639,261 - Step 6: Final answer
x = 2,971,097.99
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.