Finding the Third Proportional to 390,649.31 and 587,013.94
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Solution
The third proportional to 390,649.31 and 587,013.94 is: 882,083.63
Step by Step Solution
- Step 1: Write the proportion equation
390,649.31 : 587,013.94 = 587,013.94 : x - Step 2: Convert to fraction form
390,649.31/587,013.94 = 587,013.94/x - Step 3: Cross multiply
390,649.31x = 587,013.94 × 587,013.94 - Step 4: Simplify right side
390,649.31x = 344,585,362,819.25 - Step 5: Solve for x
x = 344,585,362,819.25/390,649.31 - Step 6: Final answer
x = 882,083.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.