Finding the Third Proportional to 639,713.25 and 1,368,000
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Solution
The third proportional to 639,713.25 and 1,368,000 is: 2,925,410.72
Step by Step Solution
- Step 1: Write the proportion equation
639,713.25 : 1,368,000 = 1,368,000 : x - Step 2: Convert to fraction form
639,713.25/1,368,000 = 1,368,000/x - Step 3: Cross multiply
639,713.25x = 1,368,000 × 1,368,000 - Step 4: Simplify right side
639,713.25x = 1,871,424,000,000 - Step 5: Solve for x
x = 1,871,424,000,000/639,713.25 - Step 6: Final answer
x = 2,925,410.72
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.