Finding the Third Proportional to 3,912,113.25 and 8,402,688
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Solution
The third proportional to 3,912,113.25 and 8,402,688 is: 18,047,832.75
Step by Step Solution
- Step 1: Write the proportion equation
3,912,113.25 : 8,402,688 = 8,402,688 : x - Step 2: Convert to fraction form
3,912,113.25/8,402,688 = 8,402,688/x - Step 3: Cross multiply
3,912,113.25x = 8,402,688 × 8,402,688 - Step 4: Simplify right side
3,912,113.25x = 70,605,165,625,344 - Step 5: Solve for x
x = 70,605,165,625,344/3,912,113.25 - Step 6: Final answer
x = 18,047,832.75
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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.