Finding the Third Proportional to 422,444.25 and 653,721.75
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Solution
The third proportional to 422,444.25 and 653,721.75 is: 1,011,617.81
Step by Step Solution
- Step 1: Write the proportion equation
422,444.25 : 653,721.75 = 653,721.75 : x - Step 2: Convert to fraction form
422,444.25/653,721.75 = 653,721.75/x - Step 3: Cross multiply
422,444.25x = 653,721.75 × 653,721.75 - Step 4: Simplify right side
422,444.25x = 427,352,126,423.06 - Step 5: Solve for x
x = 427,352,126,423.06/422,444.25 - Step 6: Final answer
x = 1,011,617.81
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.