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Finding the Third Proportional to 9,639 and 15,466.50

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Solution

The third proportional to 9,639 and 15,466.50 is: 24,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639 : 15,466.50 = 15,466.50 : x
  2. Step 2: Convert to fraction form
    9,639/15,466.50 = 15,466.50/x
  3. Step 3: Cross multiply
    9,639x = 15,466.50 × 15,466.50
  4. Step 4: Simplify right side
    9,639x = 239,212,622.25
  5. Step 5: Solve for x
    x = 239,212,622.25/9,639
  6. Step 6: Final answer
    x = 24,817.16

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.