Finding the Third Proportional to 2,605,986 and 3,929,478.75
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Solution
The third proportional to 2,605,986 and 3,929,478.75 is: 5,925,129.01
Step by Step Solution
- Step 1: Write the proportion equation
2,605,986 : 3,929,478.75 = 3,929,478.75 : x - Step 2: Convert to fraction form
2,605,986/3,929,478.75 = 3,929,478.75/x - Step 3: Cross multiply
2,605,986x = 3,929,478.75 × 3,929,478.75 - Step 4: Simplify right side
2,605,986x = 15,440,803,246,701.56 - Step 5: Solve for x
x = 15,440,803,246,701.56/2,605,986 - Step 6: Final answer
x = 5,925,129.01
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.