Finding the Third Proportional to 390,440.25 and 590,577.75
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Solution
The third proportional to 390,440.25 and 590,577.75 is: 893,304.62
Step by Step Solution
- Step 1: Write the proportion equation
390,440.25 : 590,577.75 = 590,577.75 : x - Step 2: Convert to fraction form
390,440.25/590,577.75 = 590,577.75/x - Step 3: Cross multiply
390,440.25x = 590,577.75 × 590,577.75 - Step 4: Simplify right side
390,440.25x = 348,782,078,795.06 - Step 5: Solve for x
x = 348,782,078,795.06/390,440.25 - Step 6: Final answer
x = 893,304.62
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.