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Finding the Third Proportional to 311,528.25 and 483,816.38

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Solution

The third proportional to 311,528.25 and 483,816.38 is: 751,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,528.25 : 483,816.38 = 483,816.38 : x
  2. Step 2: Convert to fraction form
    311,528.25/483,816.38 = 483,816.38/x
  3. Step 3: Cross multiply
    311,528.25x = 483,816.38 × 483,816.38
  4. Step 4: Simplify right side
    311,528.25x = 234,078,284,718.14
  5. Step 5: Solve for x
    x = 234,078,284,718.14/311,528.25
  6. Step 6: Final answer
    x = 751,387.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.