Finding the Third Proportional to 5,178,987 and 7,840,437.75
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Solution
The third proportional to 5,178,987 and 7,840,437.75 is: 11,869,592.28
Step by Step Solution
- Step 1: Write the proportion equation
5,178,987 : 7,840,437.75 = 7,840,437.75 : x - Step 2: Convert to fraction form
5,178,987/7,840,437.75 = 7,840,437.75/x - Step 3: Cross multiply
5,178,987x = 7,840,437.75 × 7,840,437.75 - Step 4: Simplify right side
5,178,987x = 61,472,464,111,625.06 - Step 5: Solve for x
x = 61,472,464,111,625.06/5,178,987 - Step 6: Final answer
x = 11,869,592.28
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.