Finding the Third Proportional to 811,207 and 1,272,488
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Solution
The third proportional to 811,207 and 1,272,488 is: 1,996,069.70
Step by Step Solution
- Step 1: Write the proportion equation
811,207 : 1,272,488 = 1,272,488 : x - Step 2: Convert to fraction form
811,207/1,272,488 = 1,272,488/x - Step 3: Cross multiply
811,207x = 1,272,488 × 1,272,488 - Step 4: Simplify right side
811,207x = 1,619,225,710,144 - Step 5: Solve for x
x = 1,619,225,710,144/811,207 - Step 6: Final answer
x = 1,996,069.70
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.