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Finding the Third Proportional to 9,898.50 and 14,307

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Solution

The third proportional to 9,898.50 and 14,307 is: 20,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.50 : 14,307 = 14,307 : x
  2. Step 2: Convert to fraction form
    9,898.50/14,307 = 14,307/x
  3. Step 3: Cross multiply
    9,898.50x = 14,307 × 14,307
  4. Step 4: Simplify right side
    9,898.50x = 204,690,249
  5. Step 5: Solve for x
    x = 204,690,249/9,898.50
  6. Step 6: Final answer
    x = 20,678.92

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.