Finding the Third Proportional to 319,747 and 469,252.50
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Solution
The third proportional to 319,747 and 469,252.50 is: 688,662.94
Step by Step Solution
- Step 1: Write the proportion equation
319,747 : 469,252.50 = 469,252.50 : x - Step 2: Convert to fraction form
319,747/469,252.50 = 469,252.50/x - Step 3: Cross multiply
319,747x = 469,252.50 × 469,252.50 - Step 4: Simplify right side
319,747x = 220,197,908,756.25 - Step 5: Solve for x
x = 220,197,908,756.25/319,747 - Step 6: Final answer
x = 688,662.94
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.