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Finding the Third Proportional to 251,764 and 545,000

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Solution

The third proportional to 251,764 and 545,000 is: 1,179,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,764 : 545,000 = 545,000 : x
  2. Step 2: Convert to fraction form
    251,764/545,000 = 545,000/x
  3. Step 3: Cross multiply
    251,764x = 545,000 × 545,000
  4. Step 4: Simplify right side
    251,764x = 297,025,000,000
  5. Step 5: Solve for x
    x = 297,025,000,000/251,764
  6. Step 6: Final answer
    x = 1,179,775.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.