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Finding the Third Proportional to 253,435.50 and 548,695.50

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Solution

The third proportional to 253,435.50 and 548,695.50 is: 1,187,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,435.50 : 548,695.50 = 548,695.50 : x
  2. Step 2: Convert to fraction form
    253,435.50/548,695.50 = 548,695.50/x
  3. Step 3: Cross multiply
    253,435.50x = 548,695.50 × 548,695.50
  4. Step 4: Simplify right side
    253,435.50x = 301,066,751,720.25
  5. Step 5: Solve for x
    x = 301,066,751,720.25/253,435.50
  6. Step 6: Final answer
    x = 1,187,942.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.