Finding the Third Proportional to 18,456,438 and 40,386,533
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Solution
The third proportional to 18,456,438 and 40,386,533 is: 88,374,151.49
Step by Step Solution
- Step 1: Write the proportion equation
18,456,438 : 40,386,533 = 40,386,533 : x - Step 2: Convert to fraction form
18,456,438/40,386,533 = 40,386,533/x - Step 3: Cross multiply
18,456,438x = 40,386,533 × 40,386,533 - Step 4: Simplify right side
18,456,438x = 1,631,072,047,760,089 - Step 5: Solve for x
x = 1,631,072,047,760,089/18,456,438 - Step 6: Final answer
x = 88,374,151.49
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.