Finding the Third Proportional to 390,199,792 and 531,475,998
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Solution
The third proportional to 390,199,792 and 531,475,998 is: 723,902,837.06
Step by Step Solution
- Step 1: Write the proportion equation
390,199,792 : 531,475,998 = 531,475,998 : x - Step 2: Convert to fraction form
390,199,792/531,475,998 = 531,475,998/x - Step 3: Cross multiply
390,199,792x = 531,475,998 × 531,475,998 - Step 4: Simplify right side
390,199,792x = 282,466,736,450,096,000 - Step 5: Solve for x
x = 282,466,736,450,096,000/390,199,792 - Step 6: Final answer
x = 723,902,837.06
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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.