Finding the Third Proportional to 390,199,794 and 531,476,000
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Solution
The third proportional to 390,199,794 and 531,476,000 is: 723,902,838.80
Step by Step Solution
- Step 1: Write the proportion equation
390,199,794 : 531,476,000 = 531,476,000 : x - Step 2: Convert to fraction form
390,199,794/531,476,000 = 531,476,000/x - Step 3: Cross multiply
390,199,794x = 531,476,000 × 531,476,000 - Step 4: Simplify right side
390,199,794x = 282,466,738,576,000,000 - Step 5: Solve for x
x = 282,466,738,576,000,000/390,199,794 - Step 6: Final answer
x = 723,902,838.80
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.