Finding the Third Proportional to 390,196 and 854,955
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Solution
The third proportional to 390,196 and 854,955 is: 1,873,284.33
Step by Step Solution
- Step 1: Write the proportion equation
390,196 : 854,955 = 854,955 : x - Step 2: Convert to fraction form
390,196/854,955 = 854,955/x - Step 3: Cross multiply
390,196x = 854,955 × 854,955 - Step 4: Simplify right side
390,196x = 730,948,052,025 - Step 5: Solve for x
x = 730,948,052,025/390,196 - Step 6: Final answer
x = 1,873,284.33
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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.