Finding the Third Proportional to 81,643,041.25 and 126,413,463.75
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Solution
The third proportional to 81,643,041.25 and 126,413,463.75 is: 195,734,548.50
Step by Step Solution
- Step 1: Write the proportion equation
81,643,041.25 : 126,413,463.75 = 126,413,463.75 : x - Step 2: Convert to fraction form
81,643,041.25/126,413,463.75 = 126,413,463.75/x - Step 3: Cross multiply
81,643,041.25x = 126,413,463.75 × 126,413,463.75 - Step 4: Simplify right side
81,643,041.25x = 15,980,363,817,272,564 - Step 5: Solve for x
x = 15,980,363,817,272,564/81,643,041.25 - Step 6: Final answer
x = 195,734,548.50
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.