Finding the Third Proportional to 86,405,080 and 121,539,576
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Solution
The third proportional to 86,405,080 and 121,539,576 is: 170,960,648.78
Step by Step Solution
- Step 1: Write the proportion equation
86,405,080 : 121,539,576 = 121,539,576 : x - Step 2: Convert to fraction form
86,405,080/121,539,576 = 121,539,576/x - Step 3: Cross multiply
86,405,080x = 121,539,576 × 121,539,576 - Step 4: Simplify right side
86,405,080x = 14,771,868,534,259,776 - Step 5: Solve for x
x = 14,771,868,534,259,776/86,405,080 - Step 6: Final answer
x = 170,960,648.78
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.