Finding the Third Proportional to 68,368.78 and 147,691.88
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Solution
The third proportional to 68,368.78 and 147,691.88 is: 319,047.52
Step by Step Solution
- Step 1: Write the proportion equation
68,368.78 : 147,691.88 = 147,691.88 : x - Step 2: Convert to fraction form
68,368.78/147,691.88 = 147,691.88/x - Step 3: Cross multiply
68,368.78x = 147,691.88 × 147,691.88 - Step 4: Simplify right side
68,368.78x = 21,812,889,941.02 - Step 5: Solve for x
x = 21,812,889,941.02/68,368.78 - Step 6: Final answer
x = 319,047.52
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.