Finding the Third Proportional to 297,886.50 and 638,415
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Solution
The third proportional to 297,886.50 and 638,415 is: 1,368,218.14
Step by Step Solution
- Step 1: Write the proportion equation
297,886.50 : 638,415 = 638,415 : x - Step 2: Convert to fraction form
297,886.50/638,415 = 638,415/x - Step 3: Cross multiply
297,886.50x = 638,415 × 638,415 - Step 4: Simplify right side
297,886.50x = 407,573,712,225 - Step 5: Solve for x
x = 407,573,712,225/297,886.50 - Step 6: Final answer
x = 1,368,218.14
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.