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Finding the Third Proportional to 10,244 and 15,639

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Solution

The third proportional to 10,244 and 15,639 is: 23,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244 : 15,639 = 15,639 : x
  2. Step 2: Convert to fraction form
    10,244/15,639 = 15,639/x
  3. Step 3: Cross multiply
    10,244x = 15,639 × 15,639
  4. Step 4: Simplify right side
    10,244x = 244,578,321
  5. Step 5: Solve for x
    x = 244,578,321/10,244
  6. Step 6: Final answer
    x = 23,875.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.