Finding the Third Proportional to 128,225,208.75 and 302,390,661.75
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Solution
The third proportional to 128,225,208.75 and 302,390,661.75 is: 713,121,181.12
Step by Step Solution
- Step 1: Write the proportion equation
128,225,208.75 : 302,390,661.75 = 302,390,661.75 : x - Step 2: Convert to fraction form
128,225,208.75/302,390,661.75 = 302,390,661.75/x - Step 3: Cross multiply
128,225,208.75x = 302,390,661.75 × 302,390,661.75 - Step 4: Simplify right side
128,225,208.75x = 91,440,112,313,602,912 - Step 5: Solve for x
x = 91,440,112,313,602,912/128,225,208.75 - Step 6: Final answer
x = 713,121,181.12
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.