Finding the Third Proportional to 491,230.13 and 781,133.63
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Solution
The third proportional to 491,230.13 and 781,133.63 is: 1,242,126.06
Step by Step Solution
- Step 1: Write the proportion equation
491,230.13 : 781,133.63 = 781,133.63 : x - Step 2: Convert to fraction form
491,230.13/781,133.63 = 781,133.63/x - Step 3: Cross multiply
491,230.13x = 781,133.63 × 781,133.63 - Step 4: Simplify right side
491,230.13x = 610,169,740,105.64 - Step 5: Solve for x
x = 610,169,740,105.64/491,230.13 - Step 6: Final answer
x = 1,242,126.06
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.