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Finding the Third Proportional to 11,898 and 15,646.50

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Solution

The third proportional to 11,898 and 15,646.50 is: 20,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898 : 15,646.50 = 15,646.50 : x
  2. Step 2: Convert to fraction form
    11,898/15,646.50 = 15,646.50/x
  3. Step 3: Cross multiply
    11,898x = 15,646.50 × 15,646.50
  4. Step 4: Simplify right side
    11,898x = 244,812,962.25
  5. Step 5: Solve for x
    x = 244,812,962.25/11,898
  6. Step 6: Final answer
    x = 20,575.98

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.