Finding the Third Proportional to 7,810,902 and 16,920,900
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Solution
The third proportional to 7,810,902 and 16,920,900 is: 36,656,055.45
Step by Step Solution
- Step 1: Write the proportion equation
7,810,902 : 16,920,900 = 16,920,900 : x - Step 2: Convert to fraction form
7,810,902/16,920,900 = 16,920,900/x - Step 3: Cross multiply
7,810,902x = 16,920,900 × 16,920,900 - Step 4: Simplify right side
7,810,902x = 286,316,856,810,000 - Step 5: Solve for x
x = 286,316,856,810,000/7,810,902 - Step 6: Final answer
x = 36,656,055.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.