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Finding the Third Proportional to 558.50 and 1,184.50

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Solution

The third proportional to 558.50 and 1,184.50 is: 2,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.50 : 1,184.50 = 1,184.50 : x
  2. Step 2: Convert to fraction form
    558.50/1,184.50 = 1,184.50/x
  3. Step 3: Cross multiply
    558.50x = 1,184.50 × 1,184.50
  4. Step 4: Simplify right side
    558.50x = 1,403,040.25
  5. Step 5: Solve for x
    x = 1,403,040.25/558.50
  6. Step 6: Final answer
    x = 2,512.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.