Finding the Third Proportional to 63,303.19 and 138,369.09
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Solution
The third proportional to 63,303.19 and 138,369.09 is: 302,449.32
Step by Step Solution
- Step 1: Write the proportion equation
63,303.19 : 138,369.09 = 138,369.09 : x - Step 2: Convert to fraction form
63,303.19/138,369.09 = 138,369.09/x - Step 3: Cross multiply
63,303.19x = 138,369.09 × 138,369.09 - Step 4: Simplify right side
63,303.19x = 19,146,006,105.20 - Step 5: Solve for x
x = 19,146,006,105.20/63,303.19 - Step 6: Final answer
x = 302,449.32
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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.