Finding the Third Proportional to 128,864.25 and 266,567.63
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Solution
The third proportional to 128,864.25 and 266,567.63 is: 551,419.80
Step by Step Solution
- Step 1: Write the proportion equation
128,864.25 : 266,567.63 = 266,567.63 : x - Step 2: Convert to fraction form
128,864.25/266,567.63 = 266,567.63/x - Step 3: Cross multiply
128,864.25x = 266,567.63 × 266,567.63 - Step 4: Simplify right side
128,864.25x = 71,058,298,698.14 - Step 5: Solve for x
x = 71,058,298,698.14/128,864.25 - Step 6: Final answer
x = 551,419.80
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.