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Finding the Third Proportional to 7,283 and 10,985

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Solution

The third proportional to 7,283 and 10,985 is: 16,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283 : 10,985 = 10,985 : x
  2. Step 2: Convert to fraction form
    7,283/10,985 = 10,985/x
  3. Step 3: Cross multiply
    7,283x = 10,985 × 10,985
  4. Step 4: Simplify right side
    7,283x = 120,670,225
  5. Step 5: Solve for x
    x = 120,670,225/7,283
  6. Step 6: Final answer
    x = 16,568.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.