Finding the Third Proportional to 130,515.75 and 286,242.75
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Solution
The third proportional to 130,515.75 and 286,242.75 is: 627,777.96
Step by Step Solution
- Step 1: Write the proportion equation
130,515.75 : 286,242.75 = 286,242.75 : x - Step 2: Convert to fraction form
130,515.75/286,242.75 = 286,242.75/x - Step 3: Cross multiply
130,515.75x = 286,242.75 × 286,242.75 - Step 4: Simplify right side
130,515.75x = 81,934,911,927.56 - Step 5: Solve for x
x = 81,934,911,927.56/130,515.75 - Step 6: Final answer
x = 627,777.96
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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.