Finding the Third Proportional to 472,395.09 and 717,340.78
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Solution
The third proportional to 472,395.09 and 717,340.78 is: 1,089,295.39
Step by Step Solution
- Step 1: Write the proportion equation
472,395.09 : 717,340.78 = 717,340.78 : x - Step 2: Convert to fraction form
472,395.09/717,340.78 = 717,340.78/x - Step 3: Cross multiply
472,395.09x = 717,340.78 × 717,340.78 - Step 4: Simplify right side
472,395.09x = 514,577,796,444.36 - Step 5: Solve for x
x = 514,577,796,444.36/472,395.09 - Step 6: Final answer
x = 1,089,295.39
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.