Finding the Third Proportional to 643,929.75 and 1,398,579.75
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Solution
The third proportional to 643,929.75 and 1,398,579.75 is: 3,037,637.75
Step by Step Solution
- Step 1: Write the proportion equation
643,929.75 : 1,398,579.75 = 1,398,579.75 : x - Step 2: Convert to fraction form
643,929.75/1,398,579.75 = 1,398,579.75/x - Step 3: Cross multiply
643,929.75x = 1,398,579.75 × 1,398,579.75 - Step 4: Simplify right side
643,929.75x = 1,956,025,317,110.06 - Step 5: Solve for x
x = 1,956,025,317,110.06/643,929.75 - Step 6: Final answer
x = 3,037,637.75
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.