Finding the Third Proportional to 1,368,967.50 and 2,128,120.75
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Solution
The third proportional to 1,368,967.50 and 2,128,120.75 is: 3,308,258.18
Step by Step Solution
- Step 1: Write the proportion equation
1,368,967.50 : 2,128,120.75 = 2,128,120.75 : x - Step 2: Convert to fraction form
1,368,967.50/2,128,120.75 = 2,128,120.75/x - Step 3: Cross multiply
1,368,967.50x = 2,128,120.75 × 2,128,120.75 - Step 4: Simplify right side
1,368,967.50x = 4,528,897,926,580.56 - Step 5: Solve for x
x = 4,528,897,926,580.56/1,368,967.50 - Step 6: Final answer
x = 3,308,258.18
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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.