Finding the Third Proportional to 688,533.75 and 1,137,844.13
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Solution
The third proportional to 688,533.75 and 1,137,844.13 is: 1,880,356.99
Step by Step Solution
- Step 1: Write the proportion equation
688,533.75 : 1,137,844.13 = 1,137,844.13 : x - Step 2: Convert to fraction form
688,533.75/1,137,844.13 = 1,137,844.13/x - Step 3: Cross multiply
688,533.75x = 1,137,844.13 × 1,137,844.13 - Step 4: Simplify right side
688,533.75x = 1,294,689,252,797.02 - Step 5: Solve for x
x = 1,294,689,252,797.02/688,533.75 - Step 6: Final answer
x = 1,880,356.99
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.