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Finding the Third Proportional to 2,172 and 2,532

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Solution

The third proportional to 2,172 and 2,532 is: 2,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172 : 2,532 = 2,532 : x
  2. Step 2: Convert to fraction form
    2,172/2,532 = 2,532/x
  3. Step 3: Cross multiply
    2,172x = 2,532 × 2,532
  4. Step 4: Simplify right side
    2,172x = 6,411,024
  5. Step 5: Solve for x
    x = 6,411,024/2,172
  6. Step 6: Final answer
    x = 2,951.67

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.