Finding the Third Proportional to 63,788 and 139,670
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Solution
The third proportional to 63,788 and 139,670 is: 305,820.98
Step by Step Solution
- Step 1: Write the proportion equation
63,788 : 139,670 = 139,670 : x - Step 2: Convert to fraction form
63,788/139,670 = 139,670/x - Step 3: Cross multiply
63,788x = 139,670 × 139,670 - Step 4: Simplify right side
63,788x = 19,507,708,900 - Step 5: Solve for x
x = 19,507,708,900/63,788 - Step 6: Final answer
x = 305,820.98
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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.