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Finding the Third Proportional to 1,984.50 and 4,347

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Solution

The third proportional to 1,984.50 and 4,347 is: 9,522

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.50 : 4,347 = 4,347 : x
  2. Step 2: Convert to fraction form
    1,984.50/4,347 = 4,347/x
  3. Step 3: Cross multiply
    1,984.50x = 4,347 × 4,347
  4. Step 4: Simplify right side
    1,984.50x = 18,896,409
  5. Step 5: Solve for x
    x = 18,896,409/1,984.50
  6. Step 6: Final answer
    x = 9,522

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.