Finding the Third Proportional to 6,921,331 and 14,907,639
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Solution
The third proportional to 6,921,331 and 14,907,639 is: 32,109,098.75
Step by Step Solution
- Step 1: Write the proportion equation
6,921,331 : 14,907,639 = 14,907,639 : x - Step 2: Convert to fraction form
6,921,331/14,907,639 = 14,907,639/x - Step 3: Cross multiply
6,921,331x = 14,907,639 × 14,907,639 - Step 4: Simplify right side
6,921,331x = 222,237,700,554,321 - Step 5: Solve for x
x = 222,237,700,554,321/6,921,331 - Step 6: Final answer
x = 32,109,098.75
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.