Finding the Third Proportional to 645,511.50 and 1,418,415.75
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Solution
The third proportional to 645,511.50 and 1,418,415.75 is: 3,116,758.17
Step by Step Solution
- Step 1: Write the proportion equation
645,511.50 : 1,418,415.75 = 1,418,415.75 : x - Step 2: Convert to fraction form
645,511.50/1,418,415.75 = 1,418,415.75/x - Step 3: Cross multiply
645,511.50x = 1,418,415.75 × 1,418,415.75 - Step 4: Simplify right side
645,511.50x = 2,011,903,239,848.06 - Step 5: Solve for x
x = 2,011,903,239,848.06/645,511.50 - Step 6: Final answer
x = 3,116,758.17
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.