Finding the Third Proportional to 658 and 1,570
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Solution
The third proportional to 658 and 1,570 is: 3,746.05
Step by Step Solution
- Step 1: Write the proportion equation
658 : 1,570 = 1,570 : x - Step 2: Convert to fraction form
658/1,570 = 1,570/x - Step 3: Cross multiply
658x = 1,570 × 1,570 - Step 4: Simplify right side
658x = 2,464,900 - Step 5: Solve for x
x = 2,464,900/658 - Step 6: Final answer
x = 3,746.05
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These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.