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Finding the Third Proportional to 4,347 and 8,491.50

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Solution

The third proportional to 4,347 and 8,491.50 is: 16,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347 : 8,491.50 = 8,491.50 : x
  2. Step 2: Convert to fraction form
    4,347/8,491.50 = 8,491.50/x
  3. Step 3: Cross multiply
    4,347x = 8,491.50 × 8,491.50
  4. Step 4: Simplify right side
    4,347x = 72,105,572.25
  5. Step 5: Solve for x
    x = 72,105,572.25/4,347
  6. Step 6: Final answer
    x = 16,587.43

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.