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Finding the Third Proportional to 482.50 and 1,025

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Solution

The third proportional to 482.50 and 1,025 is: 2,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.50 : 1,025 = 1,025 : x
  2. Step 2: Convert to fraction form
    482.50/1,025 = 1,025/x
  3. Step 3: Cross multiply
    482.50x = 1,025 × 1,025
  4. Step 4: Simplify right side
    482.50x = 1,050,625
  5. Step 5: Solve for x
    x = 1,050,625/482.50
  6. Step 6: Final answer
    x = 2,177.46

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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.