Finding the Third Proportional to 631,476 and 1,395,873
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Solution
The third proportional to 631,476 and 1,395,873 is: 3,085,566.88
Step by Step Solution
- Step 1: Write the proportion equation
631,476 : 1,395,873 = 1,395,873 : x - Step 2: Convert to fraction form
631,476/1,395,873 = 1,395,873/x - Step 3: Cross multiply
631,476x = 1,395,873 × 1,395,873 - Step 4: Simplify right side
631,476x = 1,948,461,432,129 - Step 5: Solve for x
x = 1,948,461,432,129/631,476 - Step 6: Final answer
x = 3,085,566.88
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.