Finding the Third Proportional to 5,221,681 and 7,982,605.50
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Solution
The third proportional to 5,221,681 and 7,982,605.50 is: 12,203,348.03
Step by Step Solution
- Step 1: Write the proportion equation
5,221,681 : 7,982,605.50 = 7,982,605.50 : x - Step 2: Convert to fraction form
5,221,681/7,982,605.50 = 7,982,605.50/x - Step 3: Cross multiply
5,221,681x = 7,982,605.50 × 7,982,605.50 - Step 4: Simplify right side
5,221,681x = 63,721,990,568,630.25 - Step 5: Solve for x
x = 63,721,990,568,630.25/5,221,681 - Step 6: Final answer
x = 12,203,348.03
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.