Finding the Third Proportional to 7,038,515 and 15,422,400
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Solution
The third proportional to 7,038,515 and 15,422,400 is: 33,792,699.42
Step by Step Solution
- Step 1: Write the proportion equation
7,038,515 : 15,422,400 = 15,422,400 : x - Step 2: Convert to fraction form
7,038,515/15,422,400 = 15,422,400/x - Step 3: Cross multiply
7,038,515x = 15,422,400 × 15,422,400 - Step 4: Simplify right side
7,038,515x = 237,850,421,760,000 - Step 5: Solve for x
x = 237,850,421,760,000/7,038,515 - Step 6: Final answer
x = 33,792,699.42
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.