Finding the Third Proportional to 7,287,985 and 15,948,865
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Solution
The third proportional to 7,287,985 and 15,948,865 is: 34,902,143.02
Step by Step Solution
- Step 1: Write the proportion equation
7,287,985 : 15,948,865 = 15,948,865 : x - Step 2: Convert to fraction form
7,287,985/15,948,865 = 15,948,865/x - Step 3: Cross multiply
7,287,985x = 15,948,865 × 15,948,865 - Step 4: Simplify right side
7,287,985x = 254,366,294,788,225 - Step 5: Solve for x
x = 254,366,294,788,225/7,287,985 - Step 6: Final answer
x = 34,902,143.02
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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.