Finding the Third Proportional to 430,987.50 and 906,639.75
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Solution
The third proportional to 430,987.50 and 906,639.75 is: 1,907,237.77
Step by Step Solution
- Step 1: Write the proportion equation
430,987.50 : 906,639.75 = 906,639.75 : x - Step 2: Convert to fraction form
430,987.50/906,639.75 = 906,639.75/x - Step 3: Cross multiply
430,987.50x = 906,639.75 × 906,639.75 - Step 4: Simplify right side
430,987.50x = 821,995,636,280.06 - Step 5: Solve for x
x = 821,995,636,280.06/430,987.50 - Step 6: Final answer
x = 1,907,237.77
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.