Finding the Third Proportional to 979,427.25 and 1,387,128
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Solution
The third proportional to 979,427.25 and 1,387,128 is: 1,964,540.08
Step by Step Solution
- Step 1: Write the proportion equation
979,427.25 : 1,387,128 = 1,387,128 : x - Step 2: Convert to fraction form
979,427.25/1,387,128 = 1,387,128/x - Step 3: Cross multiply
979,427.25x = 1,387,128 × 1,387,128 - Step 4: Simplify right side
979,427.25x = 1,924,124,088,384 - Step 5: Solve for x
x = 1,924,124,088,384/979,427.25 - Step 6: Final answer
x = 1,964,540.08
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.