Finding the Third Proportional to 137,966,388 and 216,428,851
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Solution
The third proportional to 137,966,388 and 216,428,851 is: 339,513,472.99
Step by Step Solution
- Step 1: Write the proportion equation
137,966,388 : 216,428,851 = 216,428,851 : x - Step 2: Convert to fraction form
137,966,388/216,428,851 = 216,428,851/x - Step 3: Cross multiply
137,966,388x = 216,428,851 × 216,428,851 - Step 4: Simplify right side
137,966,388x = 46,841,447,545,180,200 - Step 5: Solve for x
x = 46,841,447,545,180,200/137,966,388 - Step 6: Final answer
x = 339,513,472.99
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.