Finding the Third Proportional to 639,886 and 1,400,300
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Solution
The third proportional to 639,886 and 1,400,300 is: 3,064,358.48
Step by Step Solution
- Step 1: Write the proportion equation
639,886 : 1,400,300 = 1,400,300 : x - Step 2: Convert to fraction form
639,886/1,400,300 = 1,400,300/x - Step 3: Cross multiply
639,886x = 1,400,300 × 1,400,300 - Step 4: Simplify right side
639,886x = 1,960,840,090,000 - Step 5: Solve for x
x = 1,960,840,090,000/639,886 - Step 6: Final answer
x = 3,064,358.48
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.