Finding the Third Proportional to 478,432 and 1,006,432
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Solution
The third proportional to 478,432 and 1,006,432 is: 2,117,135.50
Step by Step Solution
- Step 1: Write the proportion equation
478,432 : 1,006,432 = 1,006,432 : x - Step 2: Convert to fraction form
478,432/1,006,432 = 1,006,432/x - Step 3: Cross multiply
478,432x = 1,006,432 × 1,006,432 - Step 4: Simplify right side
478,432x = 1,012,905,370,624 - Step 5: Solve for x
x = 1,012,905,370,624/478,432 - Step 6: Final answer
x = 2,117,135.50
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.