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Finding the Third Proportional to 598 and 1,107.50

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Solution

The third proportional to 598 and 1,107.50 is: 2,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598 : 1,107.50 = 1,107.50 : x
  2. Step 2: Convert to fraction form
    598/1,107.50 = 1,107.50/x
  3. Step 3: Cross multiply
    598x = 1,107.50 × 1,107.50
  4. Step 4: Simplify right side
    598x = 1,226,556.25
  5. Step 5: Solve for x
    x = 1,226,556.25/598
  6. Step 6: Final answer
    x = 2,051.10

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.