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Finding the Third Proportional to 9,472 and 19,968

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Solution

The third proportional to 9,472 and 19,968 is: 42,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472 : 19,968 = 19,968 : x
  2. Step 2: Convert to fraction form
    9,472/19,968 = 19,968/x
  3. Step 3: Cross multiply
    9,472x = 19,968 × 19,968
  4. Step 4: Simplify right side
    9,472x = 398,721,024
  5. Step 5: Solve for x
    x = 398,721,024/9,472
  6. Step 6: Final answer
    x = 42,094.70

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.