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Finding the Third Proportional to 263,880 and 576,148.50

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Solution

The third proportional to 263,880 and 576,148.50 is: 1,257,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,880 : 576,148.50 = 576,148.50 : x
  2. Step 2: Convert to fraction form
    263,880/576,148.50 = 576,148.50/x
  3. Step 3: Cross multiply
    263,880x = 576,148.50 × 576,148.50
  4. Step 4: Simplify right side
    263,880x = 331,947,094,052.25
  5. Step 5: Solve for x
    x = 331,947,094,052.25/263,880
  6. Step 6: Final answer
    x = 1,257,947.15

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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.