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Finding the Third Proportional to 9,981 and 14,970.38

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Solution

The third proportional to 9,981 and 14,970.38 is: 22,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981 : 14,970.38 = 14,970.38 : x
  2. Step 2: Convert to fraction form
    9,981/14,970.38 = 14,970.38/x
  3. Step 3: Cross multiply
    9,981x = 14,970.38 × 14,970.38
  4. Step 4: Simplify right side
    9,981x = 224,112,127.64
  5. Step 5: Solve for x
    x = 224,112,127.64/9,981
  6. Step 6: Final answer
    x = 22,453.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.