Finding the Third Proportional to 18,668,898 and 29,285,985
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Solution
The third proportional to 18,668,898 and 29,285,985 is: 45,941,057.55
Step by Step Solution
- Step 1: Write the proportion equation
18,668,898 : 29,285,985 = 29,285,985 : x - Step 2: Convert to fraction form
18,668,898/29,285,985 = 29,285,985/x - Step 3: Cross multiply
18,668,898x = 29,285,985 × 29,285,985 - Step 4: Simplify right side
18,668,898x = 857,668,917,420,225 - Step 5: Solve for x
x = 857,668,917,420,225/18,668,898 - Step 6: Final answer
x = 45,941,057.55
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.