Finding the Third Proportional to 130,479,976 and 207,291,421
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Solution
The third proportional to 130,479,976 and 207,291,421 is: 329,320,517.50
Step by Step Solution
- Step 1: Write the proportion equation
130,479,976 : 207,291,421 = 207,291,421 : x - Step 2: Convert to fraction form
130,479,976/207,291,421 = 207,291,421/x - Step 3: Cross multiply
130,479,976x = 207,291,421 × 207,291,421 - Step 4: Simplify right side
130,479,976x = 42,969,733,220,199,240 - Step 5: Solve for x
x = 42,969,733,220,199,240/130,479,976 - Step 6: Final answer
x = 329,320,517.50
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.