Finding the Third Proportional to 53,646.75 and 78,909.75
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Solution
The third proportional to 53,646.75 and 78,909.75 is: 116,069.45
Step by Step Solution
- Step 1: Write the proportion equation
53,646.75 : 78,909.75 = 78,909.75 : x - Step 2: Convert to fraction form
53,646.75/78,909.75 = 78,909.75/x - Step 3: Cross multiply
53,646.75x = 78,909.75 × 78,909.75 - Step 4: Simplify right side
53,646.75x = 6,226,748,645.06 - Step 5: Solve for x
x = 6,226,748,645.06/53,646.75 - Step 6: Final answer
x = 116,069.45
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.