Finding the Third Proportional to 977,539.50 and 2,128,857.75
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Solution
The third proportional to 977,539.50 and 2,128,857.75 is: 4,636,165.92
Step by Step Solution
- Step 1: Write the proportion equation
977,539.50 : 2,128,857.75 = 2,128,857.75 : x - Step 2: Convert to fraction form
977,539.50/2,128,857.75 = 2,128,857.75/x - Step 3: Cross multiply
977,539.50x = 2,128,857.75 × 2,128,857.75 - Step 4: Simplify right side
977,539.50x = 4,532,035,319,735.06 - Step 5: Solve for x
x = 4,532,035,319,735.06/977,539.50 - Step 6: Final answer
x = 4,636,165.92
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.