Finding the Third Proportional to 720,828 and 1,038,330
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Solution
The third proportional to 720,828 and 1,038,330 is: 1,495,681.62
Step by Step Solution
- Step 1: Write the proportion equation
720,828 : 1,038,330 = 1,038,330 : x - Step 2: Convert to fraction form
720,828/1,038,330 = 1,038,330/x - Step 3: Cross multiply
720,828x = 1,038,330 × 1,038,330 - Step 4: Simplify right side
720,828x = 1,078,129,188,900 - Step 5: Solve for x
x = 1,078,129,188,900/720,828 - Step 6: Final answer
x = 1,495,681.62
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.