Finding the Third Proportional to 128,746.13 and 280,368.56
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Solution
The third proportional to 128,746.13 and 280,368.56 is: 610,554.54
Step by Step Solution
- Step 1: Write the proportion equation
128,746.13 : 280,368.56 = 280,368.56 : x - Step 2: Convert to fraction form
128,746.13/280,368.56 = 280,368.56/x - Step 3: Cross multiply
128,746.13x = 280,368.56 × 280,368.56 - Step 4: Simplify right side
128,746.13x = 78,606,530,838.32 - Step 5: Solve for x
x = 78,606,530,838.32/128,746.13 - Step 6: Final answer
x = 610,554.54
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.