Finding the Third Proportional to 64,395.75 and 138,312.75
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Solution
The third proportional to 64,395.75 and 138,312.75 is: 297,075.77
Step by Step Solution
- Step 1: Write the proportion equation
64,395.75 : 138,312.75 = 138,312.75 : x - Step 2: Convert to fraction form
64,395.75/138,312.75 = 138,312.75/x - Step 3: Cross multiply
64,395.75x = 138,312.75 × 138,312.75 - Step 4: Simplify right side
64,395.75x = 19,130,416,812.56 - Step 5: Solve for x
x = 19,130,416,812.56/64,395.75 - Step 6: Final answer
x = 297,075.77
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.