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Finding the Third Proportional to 253,000 and 543,518

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Solution

The third proportional to 253,000 and 543,518 is: 1,167,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,000 : 543,518 = 543,518 : x
  2. Step 2: Convert to fraction form
    253,000/543,518 = 543,518/x
  3. Step 3: Cross multiply
    253,000x = 543,518 × 543,518
  4. Step 4: Simplify right side
    253,000x = 295,411,816,324
  5. Step 5: Solve for x
    x = 295,411,816,324/253,000
  6. Step 6: Final answer
    x = 1,167,635.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.