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Finding the Third Proportional to 9,590 and 20,639

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Solution

The third proportional to 9,590 and 20,639 is: 44,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,590 : 20,639 = 20,639 : x
  2. Step 2: Convert to fraction form
    9,590/20,639 = 20,639/x
  3. Step 3: Cross multiply
    9,590x = 20,639 × 20,639
  4. Step 4: Simplify right side
    9,590x = 425,968,321
  5. Step 5: Solve for x
    x = 425,968,321/9,590
  6. Step 6: Final answer
    x = 44,417.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.